The Truth About Solar
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For a long time, solar power has been very much hated from a cost-benefit standpoint but things are starting to turn around for the technology. Around the world, progress is being made to make solar power a viable alternative.
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Sources:
gcep.stanford.edu/research/exe...
www.nature.com/nature/journal/...
en.wikipedia.org/wiki/Solar_e...
futurism.com/images/top-10-cou...
Saule Technologies: • Video
futurism.com/experts-asserts-t...
www.telegraph.co.uk/technology...
www.conserve-energy-future.com...
futurism.com/mit-building-3d-s...
reneweconomy.com.au/2016/dubai...
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You should do a follow up to this video, how things have changed in the last 3 years.
I was thinking the same and was looking for this comment!
I'd be also interested to see revised the information how the things have been changed since then.
Did he do it? Is there a new video? Someone update me
Llo
i work at Bisol where we make solar cells and we came a long way since this video came out so yess i agree
JeĹing
I would rate this as the half-truth about solar. I live in California where we have lots or solar including large solar farms. Solar and wind has turned out to be so unpredictable and unreliable the power companies aren't buying solar or wind generated energy. Instead they are buying more nuclear and coal produced energy.
Solar turned out to be a failure in Nevada and the solar companies closed and are no longer in business.
The efficiency of solar is pathetic. Yes the sun as a result of nuclear fusion and fission provides us with almost all of the energy we need to live, the amount we can capture with home solar system turns out to be only about 5% or less.
Remember the sun produces many different wavelengths of light but solar panels only can produce power using only a couple of wavelengths of light. The rest is converted to heat and is lost.
The guy in the video only talks about peak efficiency. That only happens for 45 minutes 3 days out of the year for a fixed mount system. The rest of the year the suns ray hitting the panels at a angle the panels and average out to be maybe 20-25% efficient.
Then you need to factor in loss of efficiency due to heat, wire resistance and the efficiently loss in the inverter (another 15%). So for a system that costs $40,000 you only get 5%. Then with each year the efficiency of the panels decreases.
There's also no mention of the energy cost to produce the solar panels or to recycle them.
Solar sounds so appealing until you find in the United States the government/tax payers are paying for 30% of every solar installation. While the home owner saves $50 to $75 off the cost of their electric bill the solar companies and Wall Street make $25,000 per home where a solar system installed.
Do the math on solar. The people who are promoting it are making a fortune ripping off the tax payers.
Thank you for sharing and informing us of this!
I considered solar and did the math. It did not make sense, even assuming panels work and last forever. However all our local farms are pumping water with solar electricity. Solar makes sense as a supplemental source if you use a lot of electricity. Geothermal heating makes sense. Its insane we haven't been doing that for a lot longer.
okleydokley I live in California where we have geothermal and it has problems too.
Geothermal has caustic chemical in it that rots out the pipes and then what to do with the stuff that comes out of the pipes? It's toxic.
In addition in California we have found not that much energy can be generated with geothermal.
With nuclear so energy dense it's looking like that's our best solution at this time. We currently have fuel to supply the world for the next 500 years with electricity
And as for the highly radioactive nuclear waste we return it deep in the Earth's crust next to the Earth's mantel where it is secure and safe. Over time the small amount of highly radioactive waste will mix in with all of the other highly radioactive elements in the mantel of the Earth.
I think you missed one of the main points. Solar technology is improving at a geometric rate. Sure some solar technologies and companies may fail and the price may not be where you want it now but the technologies are improving and the price is coming down. Every other electricity generating system has losses due to wire resistance and heat. And many of the other concerns you express were directly addressed in the video.
Also fossil fuel companies have been making huge fortunes ripping off the taxpayers for century or more. Taxpayers getting ripped off isn't due to solar energy it's due to something else.
+cgm778
Solar is a boondoggle for conceited people who don't want to do the hard work of making an honest living.
It's a looser without screwing the taxpayer with subsidies.
3:38 I am from Germany and our electricity price is on average about 30 Euro Cent. *5 times higher* than the average price in the US. I guarantee you, no consumer has heard anything about "negative electricity prices". Maybe there are some short term spikes in electricity production during which the price of electricity dropped shortly into the negative, but consumers do not benefit from that. What we pay per kW/h is fixed.
You haven't heard because it's a load of rubbish, Germany is opening a lignite mine and buys nuclear from France because it's actually cheaper to sell coal power and buy nuclear.
Where the hell did he even pull the 0.4% to 13% usable energy statistic out of I have absolutely no idea too. All these statistics are made up on future promises of technology and pipe dreams, like 100% efficiency solar panels, zero transfer loss, no breakdown over time, no infrastructure to transfer the power, no economic growth and power requirements, passive houses, the list goes on forever.
And asking Elon Musk about the industry he has so much money invested into for "opinion" is another huge red flag in this video.
It's just an ad full of "could be"s tailored for the current year propaganda machine.
The problem with solar is there is a spike of production right in the middle of the day when consumption is reduced. When there is that much power being dumped onto the grid at once, it is a case of sell it at any cost coz we can’t store it. This goes with all other forms of electricity providers. Problem is the big base providers eg coal & nuclear can’t just start n stop like a gas turbine or hydro, so the result is dirt cheap wholesale electricity when it’s really sunny and expensive power when you need it most (early evening). Until safe, cheap storage for this excess power becomes available, this will always be an issue. Current batteries are expensive, toxic, and short life’d. Subsidies only pushes the costs from one area to another.
The more I look into clean energy, the more I’m convinced modern ( gen 4) nuclear power is the devil we need to embrace. For the record, just consider that Germany’s greenhouse gas emissions have actually increased since the went full troppo on wind & solar. Why? Because of the intermittent nature of these power sources means they need expensive CO2 emitting gas turbine backup to fill in the gaps quickly when the clouds roll in or the wind don’t blow. Oh, yeah that and they’re shutting down their nuclear reactors. There is a good reason your power bill has gone up.
@@hmr1122 Yeah, what makes rich people richer is not how they "bet" right things but by actively lobbying their choice for everyone. They just have more powerful friends than you or me.
@@rachels209 Nothing matters as China is biggest in both solar and nuclear, so choices there matter to all other countries more than any political choice. Coincidentally, most of worlds batteries are manufactured there also, so they have good prospects fixing solar's inequal production cycle by storing it in batteries.
I was wondering, if they put huge lanes of solar in oceans, could it also make planet cooler in that more is converted to electric and less goes to ocean warming it. Many countries already put lots of wind power in coastal areas. Biggest concern for all of these is maintenance costs. No device survives without maintenance, not even nuclear plant.
How are they handling electric network fees? Electricity price itself is cheap but here they will charge insane amounts monthly for "maintenance of grid". Insane is 20-30 euro every month for block of flat apartment, solid, regardless of consumption.
Great supply of info, however no info on capturing heat from the sun. I saw my electricity bill go down 50% by installing a solar boiler and just 6M² heatcollectors. The most profitable project ever. Even on clouded days showering is no problem. In wintertime an extra electric heater element in the boiler works as backup.
Me too👌👌👌
Well how much did it cost cause that sounds niche, niche at least for me
There are a few extra things you didn't mention about solar that's a problem - first, you need to keep the panels clean for max efficiency, and second - a laying solar panel produces about 2/3 than a properly angled one, and that one produces about 2/3 of an angled solar panel on a moving lever that automatically follows the sun, so for max efficiency you need to invest some more than the initial cost.
mkzhero
At the same time, a general consumer can buy solar panels for $.40/watt, but the mounting/racking system for a flush mount is about $.20/watt. A mounting system for tilted then becomes ~$.50/watt. And one that tracks is $1-2/watt. Tracking mounts need to be repleaced every 5-10 years. It will always be cheaper to purchase more solar panels than increasing efficiency. Much like consumer grade solar panels are only 16% efficient, whereas the ones NASA uses are 44% efficient. It costs more to send those to space. it has never been about effeciency, but the total system cost/watt.
Mike Crapse some good info, thanks.
"For free" isn't accurate... the production cost money...
Maybe he means free as in, it is free of negative health consequences - air pollution, etc.
I don't understand that...
He means "for free"as in, coal factories have people working there that need to be paid. Sunlight directly reaches your home. So the only cost is the one that pays for the installation. Sunlight itself is "for free".
CassiusXs ... when you pay the solar system, you pay for the value of the energy. It doesn't care if the source is in your house or in a coal mine.
You have no idea of economics.
However, developing recycling and storing technologies will almost make energy 'almost free'.
Thanks for the informative video.
I built my own solar panels, mounted them across my roof, purchased a large Aims 5000 Watt Inverter, and a charge controller. All of that was expensive but nothing compared to the batteries. The large super heavy 6-volt Deep-Cell batteries were by far the most expensive part of the whole setup. But the cost of the batteries is ironic as the batteries were the weakest link in the solar power setup. I had my solar panel setup basically as an emergency backup. That's good because in just a few years the batteries began failing despite my daily checking on them. After all my batteries failed, after only needing them three to four times at less than an hour each I became disgusted in the whole thing. I now have a single light bulb, where my batteries used to be, that dutifully begins faintly glowing in the early morning and gets brighter and brighter until looking at hurts my eyes at about noon time every day as the Sun rises directly overhead. Then the bright little light bulb gradually begins to fade as the sun makes its way West. And that's the extent of my solar lighting system. With the batteries so expensive I couldn't make my self by all new batteries knowing that they to will fail exactly as the first group did. I looked into super caps but they require super amounts of money to purchase. I would bet the farm that there are a whole lot of solar power setups like mine that are just sitting useless due to battery issues. The day that super caps are vastly improved and their prices drop dramatically will be the day that the home solar panel business takes off again. But as for now, the solar panel enthusiasm will remain low.
Love the channel, great topics and presented beautifully,well done I just signed up, and looking forward to more, thanks Ta Bongo😁
We need a constitutional right to harvest free solar energy... Why you ask? .. Isn't the Suns energy free already??... Well yes.. and that's the problem. The Electrical Grid infrastructure is payed for by consumers that are attached to it. If you go Solar self-sufficient or "Off Grid". There will be no one to pay for it to support large industry. When that happens governments will be forced to "TAX SOLAR" or making it illegal to go OFF GRID. But that's crazy you say .. but in truth it is already happening. www.naturalnews.com/051634_Colorado_off-grid_living_self-reliance.html
www.quora.com/In-what-places-is-it-prohibited-or-punished-to-be-off-the-grid
Soo true
very sad
The people just need to abolish Governments, seriously, they serve no purpose but to control and steal from us.
Just wait till fossil fuels run dry and solar panel prices will go up up and away
More youtubers need to be more like you. Your videos are perfection
You should watch Lemmino. His videos are also perfection :)
Top 10 cancer.
+Oliver Olsson I've been with him since he was top10memes
Most definitely i would much rather wait a week or two for a video... hell even a month to have it be so well done. I mean most TV shows you only get 12 a year and I don't find them so entertaining. YOU ROCK COLD FUSION
Chandler Campbell Yeah me too.
I would like to see also information on how the production and recycling of solar cells affects the environment because this is one of the main problems of using solar energy
The general population is completely ignorant to these problems. They just follow the words of those pushing renewable energy, blindly.
These things are leaking lead, cadmium, etc into people's homes and the ground around them.
@@grigorirasputin9507 It's claimed that this was one of the main issues of Rome. (not solar panels but lead poisoning). Maybe they actually WANT to poison the soil so that people are forced to rely on only 1 source for water.
Good question, one that no one wants to tackle. Solar panels are made in the back country of China where I’m sure there’s no EPA.
@@mycarealtor Mined and created from the dirtiest coal fired power stations on the planet. Then they harp on about cost reductions with added govt subsidies.
They are worse than a nuclear reactor, plain and simple. Let’s see how they can get rid of them in 20 or so years not to mention the disaster they cause around homes now. I feel sorry for the children and the families with weakened immune systems.
One big problem I can see is it takes up too much space, but I guess that can be overcome too. There is plenty acreage on rooftops and a supermarket near where I live has their parking lot covered with solar panels providing power for the store, plus the customers can park their cars in the shade. That super thin, flexible material opens up lots of possibilities as well. An entire car can be covered with it for example.
Why isn't ColdFusion videos getting 10 to 50 Million views. This channel deserves it more than any other CZcams channel.
Like always, Great Video Dagogo!
That's my question too...he deserves so much more...the research he does is breathtaking...i love his videos...you can learn so much from them..
becouse are too many stupid ppl who really don't care about
than share the video!!!
I know it helps the video maker by making money if the videos are watched by so many people. But if Videos get watched a lot then there are more people watching that are actually not interested in the topic or don't like it. With large popularity more of those people come and ruin nice discussions in the comments by ranting about the video, its creator and the content. So I'd like it if the community stays smaller, keeping only the interested people here in the community.
Because people arnt believing this green bullshit.
Everything is free, before you calculate the costs needed to make it work. Coal is free, is it not? Oil is also free...etc...
***** the point is that solar energy for human consumption is not free as the video states in the end. "Free energy"...sure...for plants.
+Ludak021 humans want to profit off of every thing they can. therefore there will be no free energy anytime soon
Isaiah Martinez I know. No one is going to mine for free, or create panels for free, install panels for free, let alone provide free electricity in the end. When they talk about negative price point of electricity in some areas, what they mean is, they produce more than they can sell and it goes to waste.
once you've bought solar panels they will continue to make power without the need to pay anybody... the only way they'll make money is if they put planned obsolescence into the panels so you will have to pay their company maintenance bills
MOST Solar panels available TODAY only produce for around 20 years, after that the efficiency drops off. The panels are not really the problem though, it's the associated hardware that goes with the system to get it to work with electrical/electronic devices in use today. Such as the Inverters, Charge controllers, Excess Dummy Loads, Switch Panels for access to the Electric Company Power Grid. Lets face it we've built a system that works pretty good but is becoming outdated. Never the less it's still far cheaper for the average person to use what's in place. Don't get me wrong I'm not saying we don't need to change, I'm saying it's going to take time. If we focus on making electrical devices use less electricity there will be no need to go to green because it will be green because of how little we use because of the efficiency of the devices hooked to the grid. The TV, and Lights come to mind. LCD, and LED lighting use far less than those old CRT TV's we used to have. The Microwave vice the Electric Oven, Induction Stoves Vice Electric Top Stoves, Better insulation, Insulated Windows, Geothermal Heating and Cooling. Solar Water Heaters are a good source for hot water in homes. The thing is we don't need to make it more expensive to use the electrical grid we need to make what's connected to it more efficient. That way as things use less electricity Solar, Wind and Geothermal will be able to power our homes and daily businesses. The green crowd has been going about this all wrong, trying to make carbon footprint the issue as to shame those who use what's available some kind of moral crime. The green Carbon Footprint idea is a complete Hog wash. It only alienates those who use it from the ideas that using less is good. Technology is where the solution lies and will provide the answer. Not with some miss guided NAZI style Wacko Environmentalist on a "We must change now attitude". It's such a WASTE OF TIME and that effort and money could be put into designing and making things more efficient rather than trying to impose a self righteous life style on those who will ignore them, it's such a waste of resources and time. We don't need to use less we need to make what we use more efficient. Then we'll all be green by nature rather than force. I've studied solar, wind and geothermal, not because I want to be green, but because I wanted to be independent and lower my electric bill. People as a whole ALWAYS choose the path of less resistance, to try and change or force the world to do otherwise is a waste of tome and money and it the end they will accomplish far less than if they had put their efforts into making things more efficient. Best Wishes n Blessings Keith
Well done. You covered all the bases, in a very informative way. Thanks!!
THANK YOU for sourcing you references, will really help me with my solar research paper.
this is exactly what I wanted to hear. I'm working on a way to store excess energy indefinitely and move it without a grid.
My hero! We have to keep going forward and be optimist about new and better technologies. It probably requires a great investment, but we need those good results :)
Stigmadiablo glad to see someone as optimistic as me about clean renewable energy
Very cool! Are you using a chemical process like Lithium ion or stored energy such as heat or momentum? Or have you devised a new medium entirely?
Robert Platt it is a somewhat known medium but hasn't been figured out how to use it 100% clean
LOOK at the salt-water fuel-cell technology; most of it was abandoned by the nukelar-heads in the 70s!!
I was really hoping you would touch on the various costs of sourcing raw materials for solar panels. Are these materials mined ethically. Are these methods causing more harm to the environment. How much child labour and exploitation is involved in the extraction of raw materials. Still, thank you for all your research and excellent videos.
But unlike fossil fuels which do constant damage to the environment, the materials used to make solar panels can be indefinitely reused once mined. The benefits are undeniable, especially since they are already far less harmful than the effects of burning coal and oil.
Cheegum silicon is the second most common element in the earths crust and its basically the only thing you need to make consumer grade pv cells
Working at a solar research company myself. Solar energy has a bright future ahead. At a certain point the costs to produce flexible solar cells will be this low, mass production can be done. This results in making the integration low cost as well. This makes it viable to attach solar cells to any unused surface (skyscraper walls, roads and even office windows (yes! They can be translucend)). Give it 10-15 years and see our infastructure change
There is one problem. Our traditional AC grid is outdated. DC microgrids are the future. Electric cars can be used to bank up energy storage short term, centralized energy storage per capita long term.
Thanks for your content, I really enjoyed this video. Cheers!
I've learned through experience that when a video professes to tell "the truth" in its title, it usually doesn't... and I wasn't disappointed.
so tru
I agree. It's like a tire store that says Discount and turns out to have the highest prices
You found the truth about this video
Fact is; we need to REDUCE consumption of energy as a #1 objective. I live near London, UK, and city office blocks are lit up at night when no-one is in them. That needs to be made illegal. Switching off will save us all a lot of money, and reduce the need to build new power plants. We need to invest heavily in storage - be that pumped storage (water) or battery storage, to store the power from wind and solar. That's the only real clean way forward. Nuclear is great but too expensive to build and then decommission. If we can build ~100GWh of pumped storage we should be able to switch off gas & coal for good.
this is 100% impossible, for several reasons, but main one being the population rise.
I don't it's unachievable. We are moving to smart metering which will tell people how much they're spending, and when they realise how much money they can save by switching stuff off, they will naturally change. We will see.
Edward Byard true true, maybe not 100% impossible
Why would you want to reduce energy consumption? Don't you realise QUALITY OF LIFE is directly related to ENERGY CONSUMPTION? Every single time civilisation has acquired a new form of energy, its horizons have expanded massively. What we need is SUSTAINABLE and DIRT CHEAP energy sources, not less energy consumption. Energy needs to become a complete non-issue. That when people are creating the next stages of civilisation, we need to make it so energy ISN'T even part of the equation. Otherwise, we could all go back to living in caves and call it a day.
So, if you have a skyscraper and when everyone goes home and the place is empty, it's ok to leave all the lights on? That is just wrong.
You won't ever get dirt cheap energy because it's a commercial product and that means someone has to make money on it.
If we can make energy cleanly, that would be a massive step forward.
Great, as usual, you explain complicated subjects very well, Thanks
That part about Olga Malinkiewicz is also my favourite :)
Best line I've heard all day: "You are watching ColdfusionTV"
yes, it's one of those chanels when you see the video is out immediately open and watch fulscreen.
36 cents per watt for manufacturers maybe, consumers pay more like $1.50 or more per watt. In my opinion the biggest feat Solar power has to overcome is Battery Technology. We need to produce a battery that has a greater cycling life and better energy density, so far we have no bridge between Lithium (Energy Density > Cycling Life) and Lead Acid (Cycling Life > Energy Density)
People don't realize that your battery bank might have 1000s of amp hours in total but you can't use more than 50% due to the cycling dangers of using too much of your battery's available energy. You can spend a few grand and get a good number of decent mono cell panels but spend the same amount on batteries and you have lame duck storage. You have to spend 4x the amount in batteries to match an array (because you have to scale to higher voltages in order to overcome wire and peak currents) and still have adequate energy storage.
My point is Solar cell technology has made more improvements in just the past 10 years than we have done with Battery technology in 50+. I think priority needs to be given to Battery technology for a time so we can reach a more practical energy storage solution in relation to solar.
the Li-ion king (the person who invented lithium batteries) recently made a glass based solid battery that by calculation, is 10x better than lithium batteries. It should also last a lifetime due to its solid form and not explode like lithium when you cycle it too much.
There are other considerable factors that add into the equation too. Voltage conversion thermal loss, transmission loss, storage loss. These inefficiencies add up and compound the problem of solar cell efficiency. The reason the hydrocarbon industry is so successful is that hydrocarbons are a very efficient energy source that can surplus the infrastructure inefficiencies. Solar/wind can't do that yet...
Sodium glass batteries may be the way forward (invented may the fellar that invented lithium iron batts . Its a matter of if it can scale up now. 3 time the power density , lighter , not sure of cycle life though, cheaper to make and solves the problem of bridgeing and shorting out the battery (longer life over all) . Lets hope it scales and they find no problems making them :)
Let me give you an actual example. The Dominican Republic has a power problem, lots of brown and blackouts, so people for years had relied on power inverters, they charge batteries when the power in on and use it latter when the power from the grid goes off. This has being the norm for years, problem is, the country has a led battery acid problem as old batteries are discarded, there's a town called Haina and it's being called one of the most contaminated places on hearth.
Lithium anode battery, fluoride cathode, solid electrolyte.
Per Ken Karnes comment, re: new homes having solar installed outright;
I live in Florida and am aware of 3 communities with solar panels installed at the time of construction.
Polo Run, a Lennar Community in Bradenton, a gorgeous 55+ community in Orlando, and another in Port Charlotte.
Apparently, Lennar had been selling Solar Homes in Arizona for years and decided to build a solar development in Florida.
I visited yesterday and found homes to be selling well, community is well on its way to build out! It is the way of the future!
I love my solar panels. I pay only $8 per month for all utilities during the springs, summer, and fall. With just 8 more panels and two small windmills, I can do that in the winter as well. With batteries, another inverter and back up generator for emergencies only I could take it to $0 per month aka no power bill. The system is designed to last 20-30 years but can go longer with maintenance and repairs.
don't get me wrong, I have solar too but that seems like a lot of money and effort to save $8 a month
@@juzzshel1069 i think they mean that their solar panels make them pay $8 a month
@@juzzshel1069 That's 3,000 bucks over their lifespan though, plus you'd be completely self sufficient and cutting down on emissions.
@@gidoiurafael yes i get that, I meant where he says getting more panels, two small windmills, batteries, more inverters and back up generator to cut the remaining $8 seems alot
@@almostskater3210 Im referring to the amount of extra stuff required to save the remaining $8 a month seems like a lot for such a small saving. Emissions aside, you don't know what is powering their electrical generation from the grid.
The solar panels on that Prius must take around 2 weeks or more to fully charge the battery. It's not much help, just an expensive gimmick.
What, what? 2.2 miles for free on a sunny day? What is your problem with that? And: you don´t have to worry about your starter battery for the first 10 years...
It's hardly free. You're paying through the arse for the panels just to trickle charge your battery.
If you want to save money, stick with your old car... I never chose the cheaper ride...
My old car is a Nissan Leaf and it's saving me €300 / month in fuel costs.
sweet! (Much better than a Prius anyway) ;) I got a C-Zero (=I-Miev).
on the point of updating the US power grid...either spend billions doing that, or spend billions on the military securing oil rights around the globe.
If we go solar and stop importing Mid-East oil, there would be a drastic loss of jobs for soldiers! The lifetime medical costs for vets would be dangerously lowered. It would be un-necessary to intervene in the Sunni-Sheite wars in the mid-east...and they would forget to blow us up with terrorism if we left there. The entire anti-terrorism industry would suffer! The Threat of Peace is just not tolerable! there is no money in it!
You're from the Isle of man? Nice!
organic AND cage free too
I thought US's money were spent on building walls...
Trump's wall won't be there to keep foreigners out. It will be to keep U.S. citizens in.
That's awesome, new ideas with creative designs of solar panels. I love it. Thank of you to share that new technology with us. 🌹
Excellent video and an accurate description of where we are at with this technology.
your videos always make me feel excited, every time i get notification i just cant wait to watch it ! amazing video! :)
same here
you express my feelings for this channel
Yeah, you like the gee-whiz song and dance tech-hype, loaded with half truths, imprecisions, and hype innuendos, like that giant piece of climate quackery Inconvenient Truth.
+Binod Thakur what are the possibilities?
Riiiggghhhttt
As a German I can assure you we never got energy for free, sadly
that was a situation in a town somewhere in germany but the media makes it seem like the entire country :T
Thank you for inserting reality in this discussion. Even if it were free, you can bet that government would quickly step in and tax it to raise the prices comparable to oil, gas, nuclear, etc. Governments will NEVER accept "free."
They pay to send it france, this only happens during certain times during the day but its a waste of money and causes huge inefficientcy
It was very short-lived: a summery sunny windy day with low electricity demand (few ACs in Germany), and the price mentioned was the wholesale price. That is without transport costs and taxes. The very big industry got paid to use electricity that/those hours. They have special contracts.
yeah because germans are always right
Thank you so very much for such interesting topics/subjects. Wade Goodwin, The FAIR Digest, South Africa
Germany and Texas last week: Laughing in darkness
+ColdFusion I don't know why But there is something in your Videos that always leaves a Smile on my face :)
Maybe the Serenity of your voice behind these videos or your way of imagination behind these videos and your videos change my perception and I start to think about the future in a much better way :)
Growing up in the late 70s solar power was all the rage, everyone predicted by the year 2000 everything would be powered by solar energy and we would be living on the moon.
Can't remember the moon stuff being serious, outside of speculation. But, I do recall Pres. Reagan taking the solar panels off the White House, and stopping solar funding. Maybe that had something to do with it fizzlin' out?
When I was a kid I used to read Popular Mechanics and watch lots of sci fi shows like Space 1999. And as the space program was pretty new there seamed like we were entering a new era of moon colonies, space travel, living under the sea, flying cars, etc..I guess as a kid I had big dreams.
i remember the promise of Uranus
People also thought there would be flying cars. This is moot, people have always been bad at predicting the future. People though personal computers were a stupid idea.
You mean in the "Boob Tube" movie of the seventies (or eighties?)? There was an entire feature film of comedy sketches which were (then) R-rated and irreverent toward the establishment, complete with parody advertisements. The one I still remember was a parody of those heavy industrial corporate "feel good" ads to promote the public image of companies from which 99 percent of consumers would never buy anything DIRECTLY, but everyone knows because they supply parts and ingredients for so many other things (currently, General Electric runs a series of such ads on network and cable TV). The big boogey-man in those days was Union Carbide, a chemical manufacturer like DuPont, and the parody used their initials for a fictional company, advertising how many things were made from their fictional code-named plastic resin.
The ad featured an industrial extrusion tube (VERY shiny stainless steel) hanging from above the center of the screen, from which a brown resin with the consistency of soft serve frozen yogurt began to be dispensed, as the offscreen announcer talked about all the things made from it, and toys, toy trucks, and various other products, either actual or toy models, were tossed into the growing pile of the "resin" from both sides.
The tag line for the ad? Brown-25, from Uranus [pause] Corporation! The rest of the movie was forgettable.
Great review and good news for a brighter future. Many thanks!
I love the video! The problem is - there are too many questions - as to the cost of switching - versus the savings - to make the change.
here's another sign that sunlight gets through clouds. You can see!
TIL some people can see the sun through overcast sky.
Ultraviolet rays still get through.
yea UV plus infrared light are the most wasted resources currently for solar power if we could harvest them along with currently harvested wavelengths we would be so so so much closer to a truly solar powered world
Steve Jones So Elon Musks claim is simply wrong. Cloudy country - less useful potential for solar.
Crazy how wrong he is sometimes!
Dude I live in Scotland and there are solar panels everywhere. Even in the middle of winter they can cover most of a homes' daily energy needs, especially if there is also some battery storage installed. The reason for this is how cheap it is now, currently it costs between £4000 and £5000 for a solar install with battery storage in Scotland, or about the cost of a new kitchen.
Cheers for watching guys!
Thanks for this video. Was research solar for a while and this updated me quite nicely.
Take care
Hi Coldfusion, I have read that back in 2013 some teenager won a Google Science Fair for inventing a flashlight using Peltier Tiles(first time i heard about Peltier Tiles). I wonder how Peltier Tiles perform if we use solar as a heat source for the hot side of the Peltier Tiles. Since the electricity created is dependent upon the the delta Temperature between the hot side verses the cool side. If we use solar to heat up the hot side there would be a great difference compared to the cool side.
Any thoughts on this?
Do you have any problem related in posting video? You can share it to us.☺
Do you like Zyzz?
Slow upload, but AWESOME content! Love this channel
(Sorry for the long comment but I promise the topic is worth it)
Ok Dagogo, you need to have a look at this new science breakthrough!
It is a discovery that will shift the entire scientific paradigm as we know it.
The “Safire project” was undertaken approximately 5 years ago as an independently funded scientific inquiry. The primary goal being the objective investigation of the “electric sun” theory. Since then it has collected an incredible amount of experimental data and more recently, a number of groundbreaking discoveries. Most notable is probably the transmutation of elements but just take a look and I hope you make a video about it soon!
I know you have an open mind as do most of your viewers but if this seems too shocking or big just take the time to investigate this subject and all of the supporting science as the principle theory will become undeniable eventually.
Thanks for helping!! I was doing a project on solar power and this video helped so much
So you copied someone else's research. Go you.
ColdFusion and Vsauce are the best channels on youtube! (it's just my opinion)
I am of the same opinion. PBS Space Time is another one of my favorites.
I like PBS Spacetime, but man is that stuff advanced!
Lol, for sure. I have to watch the videos 2-3 times before getting some idea of the concepts. Super interesting tho. Makes me want to become an astro-physicist
I'd have to agree, I like the topics covered and the great explanations. and production quality is definitely a plus
kurzgesagt and sharkee too.
YOU ARE WATCHING COLDFUSION TV. YAY!
Yanaal? Nah, Anaal!!
:) YES YES YES
Customer Service India
It's actually Yanaal. Pronounced Yan-urr-l.
+Customer Service India 😂😂😂😂😂😂 Mate I don't think he understood the joke hahaha 😂😂😂
+Matlockization troll? Please be a troll
Hi... I watched this in early 2017. I decided to revisit it again to refresh my memory. By the end, I wondered if there was an update or if you are thinking about an update in future. I'm sure many would be curious to see how much has changed in 4 to 5 years. I'm also very interested in graphene technology (I'm a retired Industrial Design Engineer). I've watched your YT vid's on graphene & the battery applications. Thank you. :D
This video was published in 2016 here we are in 12/19/2019 and the best solar panel I can find is 20% efficiency, don't know where he got the 35% in 2016 😂😂😂
They are plastered on sattelites and space vehicles. None for regular person.
@@kosbebot6360
Oh okay that makes more sense it wasn't out to the public yet the video made it seem like we can purchase those solar panels lol.
You would think by now though that those solar panels will be out for us as well 😕
@@yvtiwari Well for now its expensive but stay tuned
The difference is Single Junction cells vs. Multi-Junction cells. Multi-Junction cells (multiple crystal LAYERS of different materials stacked on top of each other) are currently 40% efficient, and they are not cheap.
@Gkbggb Gbgtjbftjj Google JX-Crystals.
We need to address the lifespan of solar cells. Re-tiling your roof every 25 yrs will be expensive. Also making solar cells is not that eco friendly at all. Geo thermal is a better idea.
news.nationalgeographic.com/news/energy/2014/11/141111-solar-panel-manufacturing-sustainability-ranking/ Solar water heaters im all for. I think its quoted as 60% of all household energy goes into heating water. Im just not a PV fan right now because many solar installs have battery backup and thats a terrible chemistry too. Lithium ion is far from ideal, is expensive and has a short lifespan. Not to mention recycling all the e-waste!
We need massive new electric plants because as a society we use more every year. The average house uses 80kw hours a day. The average car uses 115kw hours per hour! If we go full electric we are going to need a lot more power. 30% renewables is just not going to cut it and thats based on requirements from years ago.
in the UK its high. We make hot water for heating the house, for washing clothes and hot water on demand for things like having a bath or washing the dishes. Even the humble kettle. Elsewhere in the world it might be different.
Solar is so much better then wind. However i think geothermal is better then both and could provide us with cheaper long term energy. My main point is that PV is not the only type of solar and its not quite as green as made out. You only get more if you demand it. Always want more!
We dont really have AC at home. If it gets hot we have a desk fan. If it stays hot for a week we call it a heatwave and people go crazy!
+Kei indeed we spend a big chunk of that on heating. Most heating systems here are of a hot water type with radiators.
Shingled roofs are replaced every 10-15 years. The cost savings of solar power will more than offset the cost of re-tiling every 25 years.
Let's hope the solar and wind entrepreneurs are successful and we can save the world. In mean time, use conservation which helps you and the world.
You should factor in the energy from the sun from which our crops also need as well, that's a lot of space when you look at it.
Thank you for good content. This is a good video. I have always wondered, however, there is little to no discussion (from all the sources I’ve observed) of the sustainability of solar technology with respect to 1) limited precious metals required to produce solar panels as well as batteries and 2) limitation of battery technology to store electricity and later its safe disposal. If we go all solar, do we have sustainable raw materials to produce solar panels and batteries and later safely dispose these batteries?
Precious minerals like sand?
I like how he always says. "for free" you forget that its an expensive technology , it is hard to come by as you have half a year wait time and it requires maintenance on many levels.
the fuel is free. it's expensive, but so is everything at first, and remember our coal and oil industries are currently heavily subsidized, even more than solar is. also the maintenance is much less than i thought it would be, makes sense since there are no moving parts now i think about it, and fossil fuel industries have very high maintenance costs too, and also those generators spend about 1/4 of their life in downtime for maintenance. nuclear reactors even spend up to about half their time offline for fueling and maintenance.
they mean to the consumers, taxes alone can cover the maintenance cost, its not that hard to keep solar panels working. You just kinda dust them once in a while and they don't break that often. I have a small solar charger for my phone and I saw it charging while in a classroom with no windows. They really don't need much.
I did buy it from a Chinese company through ebay, they really know their solar shit, it works great.
Even so you could pick up a delayed loan to "make it free" the whole idea is against our current need of our civilization in general.
We are growing in numbers with increasing needs, while our space where we could put these things getting smaller. I am thinking about large 100 store buildings full of electricity hungry apartmants, and not much space around the city to put enough solar panels.
Also would anyone in theire right mind tell so many ppl that they maybe times when we have no electricity since on this level there is no way we can store enough energy for those rainy days for this many ppl.
Yes you may say it is for the country side solution, but you have to keep in mind that theire power needs is just a silly fraction of anything really. You cannot blame anyone in the coal or oil energy factories that they produce too much BEACUSE of the country side ppl and noone will belive that getting all the country side with solar panels will be enough for LARGE city solar panel solutions since now they need that much less from these factories.
ThanksIfYourReadIt not really, we could place them on top of skyscrapers, especially those that stick out of the clouds. Pretty obvious placement and not like we place much stuff up there anyways. There's also mountain peaks (yes I mean the highest point, not just the sides of it) that are not really popular housing spots because they are hard to reach even with a car. There would be less shadow up there, would be more optimal. I think you really overestimate how much land humans cover, most of it is just corn fields but as we develop more efficient farming machinery the need for those is getting lower.
Animals can also easily go around or through them unlike dams. Animals often try to cross new lakes created by dams because the last time they crossed they succeeded but they don't know this time its way wider, their vision isn't as good as ours, they don't have dept perception cause their eyes are on the sides. This is why thousands of elks are found dead near a new dam.
Wind power is also really situational since not all areas have consistent wind. Only sunlight is global as an energy source.
It's been viable for decades, the reason we keep being led down those false paths, like solar roadways, and other BS, is to keep centralization of energy production for the benefit of the energy producers.
Today, it's ENTIRELY viable to run your entire house hold on solar, provided you have enough energy storage and live in a climate that produces adequate sun. You could have done this 30 years ago, but batteries were crap back then, panels were more expensive, and it was a lot more work. Not today.
so, you live somewhere that doesn't need Air Con then?
Did you make your house entirely solar dependent? If so, when do you get ROI?
Great vids CF! Please explain how "renewables just can't produce enough energy yet". I've heard others repeat this mantra then go on to talk about...Thorium...'clean' coal...fracking...ect. Can someone do the math on suitable upgrades to wind, solar, tidal, as opposed to nukes/dinosaurs. Keep up the good work.
and what about areas (size, productivity, other uses) occupied by solar farms? what about cleaning solar panels of dust, leaves and bird droppings affecting their efficiency (in California, I believe, solar farms are among the largest water consumers)? what about their performance when covered with a foot of snow? what about transmission lines to deliver generated electricity to our cities? what about exotic materials required in manufacturing processes? what about recycling used panels (nobody recycles them, as far as I know)? -- yeah, so many questions, so little time...
(3:39) I live in Germany and I promise: I do not know anyone, who has been paid for using elekticity. There is a stock exchange for el. power in Leipzig. And yes it's true, when the wind is blowing the price for one kWh drops , and even sometimes goes to zero. But as consumer you do not take advantage from that.
I swear you have like 10 videos related to Elon Musk. I now know your man crush
He's not alone. Lol
can you blame him? plus elon musk ventures make for interesting videos. like landing rockets, battery powered homes and hyperloop
The guy makes awesome cars and giant rockets that can land on boats out in the middle of the ocean. How could he not be a man crush?
+japzone ~ikr! I'm not a man, yet I'm still crushing on Elon Musk. Lol😁
Isn't Elon everyones man crush?
Really really REALLY good video! I learned a great deal! Thank you so very much!
@Draugr Hessler I have PV Panels in my backyard and I can state with 100% confidence...
1) They are NOT expensive - you can get a LEASED system with $0.00 out-of-pocket
2) They do not need any maintenance.
3) They do not suck.
4) They are "green" ... the Solar Cells are made from > 99% pure silicon.
You appear to be the slack-jawed moron ...
Great to recognize Ola Malinkiewicz. You could make an update on progress of her work
Uhh China's '20% solar by 2030' policy is actually '20% fossil free by 2030' not necessarily solar. Which means it will probably be the much more efficient, clean nuclear fission powered by thorium (which China is developing right now)
I pretty sure Thorium reactors would be more efficient then solar. Solar is still pretty inefficient at converting light to electrical energy. You could argue the loss of power in Thorium for grid distribution but that is nothing compared to loss in battery storage for Solar. Clean probably means cleaner then the old reactors which they certainly would be. The waste would be far less and less dangerous. These reactors can even consume old waste in theory. Today's reactors are very inefficient in using up fuel. LFTR reactors would be much better. Now if we talk about the batteries that would be required to store solar energy you might actually be able to make an absolute case that a Thorium reactor is cleaner then solar. I would have to investigate but batteries are generally not that environmentally friendly and Thorium is a by product of rare earth metals mining and as such is environmentally free other than the refining. I guess I still don't believe a solar battery based solution is viable for the majority of the worlds high density energy needs while a Thorium reactor is. The only thing that makes me question that assumption is Elon Musk who seems to think he can make this work. I would never bet against this man but I think in this case like most solar advocates he is more hope and belief then actual ability to do.
Chichenwin Usernam
Chichenwin Username λκκκ
Thorium reactors can be scaled down so they could be in every neighborhood or even household...
solar panels in space ftw
Batteries are still the problem..
I do believe that that was brought up.
Yes, they were and they are still a problem.
I CONCUR, BATTERY TECHNOLOGY HAS NOT KEPT UP
the cheapest energy storage method we have is pumping water uphill, you could also use huge flywheels
you dont use batteries you use high energy capacitors....which are cheaper and easier and safer then batteries.
You really need a second video on energy storage, because that's what will make or break solar. While we have batteries, pumped hydroelectric, and other systems, we don't have anything in a large enough scale to deal with demand at night. This is not a trivial problem, because efficiency and cost are real issues here.
Well if you want the storage problem solved Google 1414 DEGREES and enjoy
@@bernardlentern3903 Interesting, but they'll need to start building operating plants that will be running for several years to see if this is a lot of hype or a good solution. Real world numbers on cost, energy efficiency, and percent loss in energy per day will be needed to judge if this is a boom or a bust.
It's a huge project and China will probably need to lead this but distribution of surplus of green energy to anywhere seems easier than storing it.en.wikipedia.org/wiki/SuperSmart_Grid
He mentioned storage but doesn't this mean batteries -- which means more chemical waste at the end?
solar panels can literally be put in ur backpack n charge ur devices with it n ur questioning efficiency ? u ask about energy production during night dont u know that one hour of proper sunlight gives u more than enough energy for like 3 days? u want to know about cost well 40 years back u had to be a real rich kid to have them but now they r in remote villages too!
I love the positive information you are putting out. Thank you
where i live solar is only efficient 25% of the year, and most of the time only charges batteries for 4 hours a day. solar or something like it will be the future of energy but not today or tomorrow. in fact it has a long ways to go!
omi god the batteries do not need extra charging for 25% of the year. The rest of the year we are using a TEG instead
it's 1.5 times the size thats recommended. solar works just as good in some as others.
Made a payout calculation recently, 9+ kW peak PV installation, all costs included : 10% on an annual basis, battery replacement after 5 years included, an this with the actual electricity price ( which is only getting more expensive at a rate of 18% per YEAR ). Solar is competitive now and will become more competitive in the future. The centralised power plants are dead meat walking, just like the brick-and-mortar retailers.
omi god yes I think big power plants will always have a place too. Even if the way they generate power changes in the near future. Maybe part of the problem with the solar and wind is we need better energy storage.
Well, that's the "peoples" problem - liking to shop. For me, it's a pure waste of time. I know what I want and when it can be delivered at my doorstep without me wasting time and an unreasonable amount of money to run after it, it's just FINE. Just calculate how much fuel, parking bills, car usage you pay for getting a deep frozen pizza - not even taking your very pleasant time walking in the rain or wet snow at the parking lot into account .... I wish you a lot of pleasure.
Plants store solar power as sugar. What can we make?
Ammonium nitrate (Haber process) for one!
good thinking!
bananian
I wondered about splitting water for hydrogen and oxygen but:it would take more energy to compress for efficient storage or shipping.
But on a small scale you can store in day what you burn in the night.
Splitting water into H and O, requires exactly as much energy as you get by burning the H and O. So your idea is like changing a dollar bill into four quarters. If you want to compress the gasses before using them, then the process consumes more energy than it produces. You will not get rich.
wRichard Stark
Sorry, no, it takes more electron volts to split water than you can get back at 100% efficiency. Go check if you need to. There's this thing called entropy.
And about gases and pressure, you can get most of that back. Pneumatic motors have been in use since at least the 40's.
In fact if you don't force hydrogen released from high pressure to low to do work (the scientific term only here) if will get very hot unlike most other gases.
geokon3
You should tell the people that measure the energy then and inform the fuel cell designers that they got it wrong.
What makes sense to you would make perpetual motion machines not just possible but viable. How many working perpetual motion machines do you know of?
You were very light on the problematic issues regarding solar. Even when you were talking about the negative aspects you still tried to twist them as positive.
Hi CF. Other drawbacks are: spieces displacement and land use. Birds catching fire over the vast solar fields. Decommissioning and waste management strategies. The production and transport of all installation materials.
Birds to *NOT* catch over PV Array Farms. Solar Heat Farms cook the birds.
i dont know where youre getting your facts from , but in germany the prices never went into the negitive they only go up . the government in germany does not want its citizens to have free energy
They're talking about wholesale prices, not the retail prices households pay. Negative wholesale prices mean operating losses for utilities, who then have to try to recover their losses by charging households higher rates.
It went negative on the market, just not any market the consumer has access to.
Alice Cooper
Ocasionally, there are negative prices on the energy stock markets. As a regular customer, you don't profit from them, as you have a fixed tarif. The first step towards benefitting from those fluctuations would be installing a smart meter.
Germany, AND Denmark have some of the most expensive electricity in Europe. But have to rely on coal to balance it.
These 22 people who dislike this video, works in petroleum industry?
I've been watching this space since the 1960's as a kid. I thought it would have been the major producer long before now. It's only been the last 5 years that the momentum seems to have developed for it to become ubiquitous in the next 15 years or so. Cheap per unit can sways arguments about % efficiency... Fun watching it happen.
well explained ! Good job
9:51 that's morocco ..world's largest concentrated solar power plant
scrolled 2 much to find you mate
i thought i'm the only one,,,nice to see that there more of us in here lol,,, but i don't understand why he montioned all the locations except Morocco
Good thing to hear.
Morocco is actually going to have COP22 in Marrakesh
Wait, is Morocco going to beat Spain in solar based energy production? Bonus points to Morocco!
AdenineMonkey long way to go, but we're in the right path, and everything solar power based in the world is good, no matter who's leading.
I think you misheard. It's not 'yotta' joules, it's a LOT a joules
This video was really helpful!
Wonderful to hear about all the development being made with Solar energy.
7:10 they are toooooo good to be true just like Tharanos.
Also, solar panels don't last long.
I have nothing against to the solar panel. It's a nice second source of energy, only in emergency cases.
Don't be too attached to it, it will never be the first source of energy.
Same as the wind mills.
Nuclear power still the cheapest and the cleanest source of energy
Thankyouu Im so glad there are other intelligent people out there, PV panels cost a lot in terms of resources and recycling too
@@Steve211Ucdhihifvshi also, toxic metals.
2nd source??? There are homes already today that entirely power their home energy needs and charge their cars. And as cost come down and efficiencies and new technologies go up it will be a "primary" source for more and more people. Look at the price decline of wind and solar for the past 30yrs...do you think it's just going to all of a sudden reverse course and get more expensive, name one technology that instead of continually getting cheaper reversed course and got more expensive. But answer this, have all the existing sources of fossil fuel energy got cheaper or more expensive the past 30yrs?
Well explained and straight to the point. Would appreciate an update on the same since this video is over 5 years old. I guess it's about time for an update for enthuthiasts. Right?
I work for one of the larger Port Authorities in North America.
We use solar power on all our channel markers, and large buoys.
It’s highly efficient and we love it.
Nobody wants to go backwards here.
So maybe it’s ineffective under some conditions but obviously some applications are amazing.
you could add more tags to get more views :(
how do you see people's tags in videos?
i'm using chrome extennsion called tubebuddy
How about if I'm not using that nazi browser?
idk :\
or change the title to "TRUTH ABOUT SOLAR EXPOSED PRANK GONE SEXUAL GONE WRONG SOCIAL EXPERIMENT" :P
Hey Coldfusion how about a video about the world in 30 years as technology evolves
THAT'S IS GREAT , I WOULD LIKE TO KNOW MORE PLEASE ABOUT OTHER APPLICATIONS
with flexable glass here im hoping it will being some new idea for solar ive always loved the idea of solar and makes me real happy that so many want to work on it to make it better
I don't think solar efficiency increase is very important, price per watt is much more important.
Ron DLH isn't efficiency is what gives the price per watt
If you say solar to electric energy efficiency, then I disagree. If you mean production efficiency, and thus lower prices, then I agree.
That's profitability, not efficency.
Ron DLH if you have a limited area to put the solar panels on, then yes it's important. For example, on your smartphone, there's barely any surface area to put it on
+Definitely Not B8ing
What he means is, the efficiency (W/sq.m.) doubling would be stupid, if the price of the panel quadruples - thus meaning that the energy will cost almost twice as much for the consumers.
In reality, the area for solar production is very much not limited - some of the best places to have solar farms are in areas where there is very low land usage.
Man has been living on solar power since creation. The power is transferred to our bodies through the food we eat! Cool...
yep and the trees grow, die and get burried, turn into coal and we burn it. Renewable...
@@Steve211Ucdhihifvshi LOL I loved that! Like when I tell people that chemicals are all natural because they are made from naturally occurring materials.
@@Steve211Ucdhihifvshi Except it isn't. The trees grew in a different geological era, turned into coal over millions of years, storing carbon in the process, and is burnt now releasing that carbon into the atmosphere increasing the greenhouse gas CO2. It is only renewable if you grow trees then burn the wood when the tree has matured, and even then it is not completely carbon neutral.
@@adamlea6339 Sorry Poppycock.... just like diamonds take years to produce.
coal, oil, gas are all natural and replaceable.... So go somewhere where there is no Co2 and see how love you manage to live????
@@adamlea6339 Ok now shut the fuck up. Nobody here thinks you're smart. He obviously fucking knows that it takes that long. Why else do you think he said "get burried"? He obviously knows we can't just bury trees and get coal in a day! Fucking idiots like you try desperately to get people to say "Oh wow you're so smart!"
we need an updated video!
I'd like to know what options there are for recycling old solar panels. Presently only the aluminium frames are recycled, the rest goes to landfill. The panels available today generally have about a 20 year lifespan.
im from chile... where did you get that info?
Pablo Leiva hahaha, I also could smell the bullshit, may be he was talking about one particular area
www.bloomberg.com/news/articles/2016-06-01/chile-has-so-much-solar-energy-it-s-giving-it-away-for-free
Negative electricity prices are a BAD thing to have. It means there is NO capital recovery and you risk destabilizing the electric system.
if you produce your own electricity you do not need the electric system, it becomes obsolete, of course a few solar panels on your roof won't hurt the power company at all, after all they can not produce the amount of electricity in usa as is consumed and they have to outsource it as it is.
Zeta Reticuli Fuck electric company, did they think about people!!!!
Intro reminds me of dont mess with the zohan
Awesome insight!
Being one of the Great unwashed you did enlighten me, thank you very much.
Now with this is mine I hope I might look forward to much more information about it.
Eating as much as I hope to Avail myself of this energy source on my dream home for
what remains of my allotted time.
Oil production will not halt until we have a viable and cheap solution to plastic
Chemical conversion with nuclear heat to produce the precursors to plastic.
Bioplastics and casein coatings.
We *do* have a viable and cheap solution to plastic.
Soy can be turned into a type of plastic which is as durable as petrochemical plastic.
Once we can produce it efficiently it could be Graphene
you can make plastic form hemp oil...
please make a video about Virtual Reality . Like so he can sees it.
see*
Are you really that stupid? How could you experience virtual reality by watching a video on a regular monitor or TV?
+Asijantuntia
silence is cover for the stupid.
+Asijantuntia he's talking about making a video which talks about Virtual Reality in the way this talks of solar power.
Asijantuntia
It's done by making a 360 video and view it with your smartphone attached to a VR set attachment.
If you didn't read the description, the intro's music "Drums Rockin (VIP)" by Low Steppa.
Have been using a solar water heater for 15 yrs and is very satisfied. But I live in a subtropical country. It does not bother me if the water is not hot enough for one day which can happen once in awhile in winter. It does not take a lot of sunshine to recover. It feels like having free hot water !
What about resources, production and wear of solar panels ?
Yeah solar power is great but you got to produce and renew the panels.
And that is not just a issue of money but also of resources and recycling.
On the Avasva you can count on professional help with problems and technical support.
Cooool
Is there any chance of an update for this video? I really loved it and it was very nicely done, but the content is so dated now. Thanks, Al. :-)
Drawbacks: energy storage - you can't store sunlight til you need it, and current electrical storage blows chunks; component production environmental impacts, pv cell deterioration over time.