Presidential BEEF, Difference of Light Technology
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- čas přidán 1. 05. 2020
- Do you ever wonder which light technology is best for consumers? Wonder no more because the future is bright! Get it?! BRIGHT!
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My References:
President's Speech From Sep 2019: • Donald Trump blames li...
Light Color Temperature: en.wikipedia.org/wiki/Color_t...
New LED Phosphor, Light Research Center: www.lrc.rpi.edu/programs/nlpi...
On touching the Halogen Light: www.lightingcompany.co.uk/is-...
A Report on Cold Street Lights resulting in low visibility: • LED city street lights...
By: Mehdi Sadaghdar
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#LightTechnology - Věda a technologie
This is NOT A POLITICAL VIDEO!!! I'm a simple man...
Also regarding Halogen light bulbs, it seems in countries with 240VAC they are designed such that their life is same or better than incandescent. In 120V of north America almost all I can see for halogen is half the life of incandescent for same power rating (make sure lamps run on same voltage and light output when comparing). In any case, I filled my table per my local values for my lamps, and some per my taste. you can always adjust the table values to your local numbers and taste and recalculate. LED still will get top point. and who cares if halogen scores a bit higher WHEN LED IS WAY HIGHER ANYWAY! and remember... THIS IS NOT A POLITICAL VIDEO!
Mehdi for president 2020
You better be good Boom lol
"simple"
suuuure
U just lost one subscriber. This is what you get for not making electric videos(not fun if you don't get shocked)
"Is not about if I dislike the president or not like him."
-Mehdi Sadaghdar
Perfect 😂
I read your comment.
I watch the video.
That line show up right after that.
What the heck with this world @@
Personally, I'm most surprised by the fact that Mehdi was able to take something Trump said and turn it into a coherent statement...
L
1:38
Hey Mehdi...you didn't break that light sensor analyzer did you?? Me and my neck thank you!
Not yet! I think... thanks for the sensor!
LMAO.
@@ElectroBOOM isn't that no neck steve?
@@nomey07 no science has discovered he has a neck
Good neck :P
"I'm a simple man, I see someone talk about electronics and I have to rectify it"
I knew it, Mehdi has been a full bridge rectifier all along!
Yeah, you can tell from the bridge he's rectified over his noseridge.
@@lorddog7249 With a capacitor to smooth out the bumps, He has a fully rectified and filtered UNI-BROW!!!! I like this cat, but he needs to be tweezed. : )
@@lorddog7249 god damn
@@lorddog7249 i can’t unsee it now
Fuuuul bridge rectifier 😂
"It's not about if I dislike the president, or not like him"
LMFAO
Haha
I don't get it...
@@tausiftaha12 They both mean the same thing.
@@HAZARDOUS88 yeah so..?
Why is that funny
@@tausiftaha12 Because normally when you compare things, they need to be different. It's pretty obvious. I hope you can see the comedy now, but now that it's explained, it's not as funny.
I wish I could like this video more than once.
Im your first like :D
(Im a sub :D)
Are you a mainstay now after the stun gun episode?
Only 30 likes???
Why the heck he's getting only 220 likes
But LED lights create blind spots in eyes for some time.💀 Led is harmful to eyes.
You have not considered all aspects.
Accidentally stumbled on this guy, now can't stop watching
Same here
Ikr same here, XD
Welcome to the land of no return, comrade.
That's what happened to me too, I searched for how emp device works and found out about him
@@Custmzir I bet It was like "I came for copper but found Gold."
The glass you broke on halogen is not for aesthetics only. Halogen bulbs have a tiny possibility of violently exploding. That's why every halogen lightbulb has double glass. In case of floodlights and car lamps, the second glass is part of the lamp. Spotlights, 'power saving' lightbulbs, etc. are double glassed for more than aesthetics.
You’ve a point; that halogen bulb should have gone off like a hand grenade when he shattered it!
@@chrismayer3919it doesn't work like that. I've broken loads of them in different ways, including shooting at them with pellets
I've been using LEDs for the last 14 years (the first were ceiling lights) and what I find incredible is that those 14-year-old bulbs are still going!
I didn’t know the LED bulbs existed 14 years ago. Also the 14 year old LEDs are probably dimmer than the new ones.
they will stay strong for a decade more if you are careful with thrm
And you can easily repair LED lights if you know about electronics. You have to just replace an led in some cases which only costs like 1 cent.
Schwächer sind sie nicht, aber langlebiger. Die heutigen LED-Lampen sind auf schnellen Ausfall produziert, da zu kleine Kühlkörper. 😋
bullshit
“And so, because he’s orange, he looks orange” 😂😂😂
Can't stop laughing 😂😂😂
I'm glad he could break it down for us in simple terms.
0:46
😂😂😂😂😂 I CAN'T STOP LAUGHING 🤣
.
LED lights vary in lifespan too. Most LED "bulbs" overdrive the LEDs, making them heat up, reducing efficiency and lifespan. Underdriven LEDs, say doubling the number of LEDs for the same output, will use less electricity and last longer
Thanks for the normalized table which confirms my growing esteem for LED bulbs. Memo: In a microwave oven, only incandescent should be used for the CAVITY lightbulb (an LED will quickly fry). For an over-the-range nuke, LED bulbs work great on the underside for range/countertop illumination.
6:40 it's always a surprise when the stuff doesn't explode when he plucks it in
Daniel Winzely plug
Yanko024 who asked 🗿
I always brace for it lol.
Hmmmmm, wait a minute. He didn't shock himself one time during the whole video.
Conclusion:
Political video!
Absolutely
Knowing him, lol
He did a bit on the 9V batterie
he did burn his finger a little tho
but the answer to all of our problems is SWEDEN
So, those ElectroBOOM 101 are political videos?
I'm surprised you didn't mention the CRI scale, or color rendering index. It's super important when buying LEDs. I'd love to see the difference your spectrometer shows between an 80 CRI LED and a 97.
I have been watching his wonderful videos for a long time, and I think this is the first I have seen where nothing blew up.
4:14 Did anyone notice the morgue photo was himself
😂😂😂
....holy shit
I...didn't see that. good eyes
He is also the pshyco
This guy is so funny, he's funnier than a lot of online comics I see. He could do tech standup in clubs.
"If everyone looks different then no one looks different."
-Mehdi Sadaghdar, 2020.
What even suppose to mean
@@abbaseldor6532 I seriously can't believe I have to explain this to you. If everyone looks different from one another, everyone becomes equal again, because there are no groups of people that look the same. If every human was a different color, there wouldn't be color based discrimination, because everyone is a different color to begin with.
If everyone is a super, nobody is a super.
@@Da-Creams now i got it.. Thanks
@@Da-Creams True it logicly valid
incandescent or halogen have their uses still for some applications , in some cases necessary such as oven lights, also very useful as current limiters in resurrecting old radios, tvs, etc.
I have bought a halogen lamp especially for testing astronomical filters. Together with a very inexpensive (7.90 €) hand spectroscope, the spectral transmission ranges can be easily estimated. Halogen is hotter than other incandescent lighting, giving more intensity at shorter wavelengths.
9:58 - Thank you for including my national anthem. Warms the heart on this cold autumn day
As an electrician who specializes in lighting controls, I am in love with the Ikea spectrum!
You into DALI lightning controll? Thats a really good interface over BUS-communication. So you want light switches near the sinc? no problemo just run like a 12V powersupply and no fancy isolated switch is needed. Need 30 swithes with dimming for one light? comming right up sir. DALI has so much feutures and is so intuitive to use.
Led is best
@@rub3n0st DALI vs KNX, go go go
@@ishzarkklyon9590 seems like KNX is more advanced as in you can do more with it? It has som really cool features that i don't think DALI has. But for lighting controll, and not a smart home the DALI-Cockpit seems like a better solution for me.
A video where he doesn't shock himself. The pandemic might be getting to him
He burned his fingers. It was a shock to his nerves, so he still did what the people asked of him. Mehdi is the People's hero.
@@user-jp1qt8ut3s Underappreciated comment right here.
I'm glad to see he didn't try to handle the halogen lamp after running it.
That's so shocking! 😉
He broke a bulb and burned his fingers.
Him saying the names of whats on the graph in rapid succession is such a fun thing to listen to
Love your humor. It's after 1am and I can't stop watching and learning. Thanks.
Two annoying qualities of CFL you forgot:
* Heat up time to reach full power is now better than years ago but still there
* CFL lights will decrease in life span tremendously when switched on and off frequently.
And something else that was mentioned but glossed over is the cost to dispose.
And for LED: the low cost driver circuit limits the LED lifespan significantly.
fyi cfl light's lifespan will increase dramatically if you use a ballast and a starter rather than an automatic one.
And something else I wanted to mention: you can dimm the Halogen lamps but it shortens it's life significantly (and also if you start to run then at low voltage [at least lower than what they intended to] they could have dark spots on them so I wouldn't say they are dimmable.)
I have several CFL lights that come on at full brightness. Only when I got some more did I discover what everyone was talking about with the warm up time. They must be using something that costs more than mercury. Otherwise why would any maker still make ones that are slow.
LED on the other hand
*smashes like crazy*
i'm dying
Stop.
It's ridiculous how difficult it is to break some of the LED bulbs. I was hitting one much harder than that, it still didn't break.
@@PistonAvatarGuy also breaking that doesn't mean light stops working like other bulbs.
@@JJayzX Correct and they're usually repairable when they've stopped working. I was able to repair that light and I still use it (without the cover).
you just explained to me exactly why I hated fluorescent lights, the light always looked wrong and hollow to me... for years I stuck with incandescent because it just looked real. I swapped to LED, and found that some LED lights irritated me due to the pulsing nature of their light, I used a 1k fps camera to catch it, but the light wasn't steady on but rather ran at around 60hz (coincidence maybe?) My favorites are the ones I constructed myself on DC circuits to avoid the flicker factor that some LED bulbs once had
Me too!!! I can't get enough of your CZcams videos - hilarious. I truly enjoy the educational aspect as well.
I want a shirt that says "CFL Is Made of Spikes"!
"CFL light", you may mean
@@xismailsixNo. CFL is "Compact Fluorescent Lamp/Light/Light Bulb", so saying "CFL light" is totally redundant.
CFL the least popular way of lighting a football game! 🤣
That's my name don't wear it out😎
I hate spikes!!
Mehdi: Well, what have you learned in the video?
Me, an intelectual: *That the video isn't about politics*
Mehdi: *GOOD*
You: Still using an old, lazy, tired out, meme comment from 2018 that makes you look like an idiot.
Everyone: What a loser.
~Pikachu Face~
@@psygn0sis You: Complaining about a joke
(Hopefully) Everyone: *Dab*
This was at 420 likes but I just liked it too much, had to click button.. sorry snoop
@@marventhedepressedrobot4656 Him: Is right
Everyone who uses that format too: pikachu face
supposedly not political and yet he somehow manages to slip into a neo-nazi onesie and cry that american freedoms must be attacked and die, sorry mehdi, but canada has no opinion on us being banned from using a decent light bulb type, this type of ignorant thought is exactly why.
this was super interesting and fun to watch, thanks!
18 years ago I replaced all the incandescent bulbs in the house I had just moved into with CFLs. After *nearly two decades* they're finally starting to wear out. Safe to say I got my money's worth out of them, and saved a boatload on my power bill. They served their purpose, but about 1/3 of my house now uses LEDs and that number will grow as the CFLs gradually fail. I swapped my truck's headlights for LEDs too and love them.
I will say that I haven't found a "warm" LED that comes anywhere close to the color temperature of an incandescent or CFL. Admittedly I haven't bought a bunch of them to compare, but both brands I have tried skewed more brown than orange/yellow.
"E N O U G H T A L K I N G ."
"Let's talk some more."
His lines kill me
“Go warm or go home” - Mehdi 2020
O hate warm light. lol
Great video, thank you for this comparison. LED is indeed the lamp of the future. However... power supplies in LEDs differ a lot. That's why some of them are dimmable and others not. What you forgot in my opinion is the power-factor. Especially in LED-land there are a lot with a very bad PF, even way below 0.5. The simple capacitive droppers are the worst. This becomes a waste in countries where people and especially factories are starting to pay for VA instead of Watts (thanks to smart meters).
capacitive droppers are better in a way as less to go wrong in them ,
He also forgot about Color Rendering Index. It is very important!
@ElectroBoom Hi, the spectrums you showed between 5:50 and 9:40 are the raw sensor outputs. Ideally you should have used an integrating sphere and calibrated the spectrometer, fiber and sphere using a reference lamp & spectrum. The absolute irradiance tab would have given you the true results. Nevertheless, a good educational video!
6:39 admit it you were expecting sparks 😂
Exactly, I was bracing for it 😂
but shockingly, it didn't happen
@@mixedcontent9060 Is that a pun ?😂
@@evergreatest7644 of course :D
True af
This may be the rarest video and only video we see him not get shocked.
I was expecting it when he plugged in the incandescent bulb.
Rare events like this...we are watching history my friend, _rejoice!_
But, he did almost get burned - 7:01 And, I expected something involving sparks the happen here: 7:19 -- and some Mercury exposure, here: 8:01 -- BUT NO!
Exactly a year ago this video was posted wow
Did not expect this was going to be so instructive. Learned lot of new things and revised some physics. Thanks man.
"Wht can I say! I see someone talk about electronics and I have to rectify it" Hahahaha
In so many ways the LED is one of the greatest and most important inventions of all time.
of course it is used in screen's too
Its great for saving energy but its shit for light pollution. Its ruining the night sky for astronomers everywhere.
you mean the pn/pnp/npn bridges?
@@fumesolo6709 old screens yh like iphones lol
@@CryBite you mean diodes?
I would love to know your opinion on how much color temperature of light affects your mood and energy levels. I found these awesome color and temperature adjustable smart bulbs at a liquidation store I have been using for many years now, and I have Google home routines set up so that in the morning the lights turn on with an even WHITE color (Red+Blue) to help you feel energized and refreshed, and more like natural light outside, and then in the evening at sunset, the lights will dim to 30% and move to a much warmer tone to help you feel relaxed and give you that nice warm light. I think it's a killer setup, and I have noticed in myself that with the white light during the day I feel more awake and alert vs when I used to just have normal warm light inside all the time.
Love your videos man, been watching for years and years, keep up the fantastic work and fighting the good fight to keep people well informed on important information like this. Cheers mate!
The thing about the blue light is so true! I HATE modern car headlamps with that excessively bright blue light. Paired with the painfully slow auto dim of many reputable brands it makes it almost impossible to see after some of these pass in the opposite direction.
"So because he's orange, he looks orange."
"It's not about if I dislike the president or not like him."
"Enough talking. Let's talk some more..."
This video is fantastic. Today I am happy to be a patron.
remember when the guy at msnbc got fired because he used an orange filter over a broadcast, and they compared the actual image of trump verses the orange filter trump side by side?
The ironic thing to me is that the old, incandescent lighting would make everyone look more orange.
TheDamped like really
@@commentfreely5443 Nope.
... continued:
It seems the screen sent this message before it was completed (I ave a physical coordination difficulty that likely was the cause oif this).
2) CFL and fluorescent: I don't like there either. they were an improvement over incandescent and quartz halogen, but they have had theor time. LED lighting has come down to a reasonable price so I am phasing out the others, although I might use the occasional incandescent light as a dummy load in electronic experiments, but that is out if the real scope here.
Also, LED's can be used without the need of class 1 wiring, i/.e. the basic electronic component with an appropriate ballasting which can operate easily with as little as 5 volts D.C. which at times can serve to avoid dangerous voltage in some places whewre that is particularly important and/or convenient.
(But perhaps Mr Trump likes to 'trumpet") so let him trumpet but the value of said "trumpeting" in in the ears of the audience, so let the audoence wrorry aout "keeping politics politik" rat er than seeking to "out trumpet Mr. Trump"
Americans elected him, let Americans deal with the consequences, as time will tell. But also let us all respect that The president, the person, is very distinct from POTUS .(American acronym for "the President of the United States)
End of "comment of politik"!
Now let's thinlk some more everywhere about "let there be light", and those led's which are encased in plastic. They won't give you mercury poisoning and you can have them in many colours, but wen used, do recycle as the electronice in the light bulbs made of them do contain elements that should not go to landfill, so leaving those who don't "green" with envy at our improvements.
The moment of surprise when he plugged in the light and no thing happen seriously. Is everything fine Medhi?
Nimesh Ghimire I thought for sure the bulb would explode or shock him lol
Shreejan Dahal comment gara hai yo dekhau bhane
for a normal person or hobbyist like me with no electronic background iv been able to find ways to diagnose and fix most of the household electronics or electrical problems but its quite a necessity for a person to be able to understand a little beyond the basics fix to things around the house or ger things done creatively your way and thats when you realise the broad complexity represented and the frustration that arises while learning,i personally seriously cant keep up for long with serious,boring lectures about values and numbers or equations and formulas when your end goal is fixed on household,to make matters worst the amount of misleading or inaccurate content vs legit ones are overwhelming..
what im trying to say is ...
you Sir! are the LED of learning on Yt ,simple yet effective
and your sense of humor and memes are what keeps me awake without realising i just finished my homework..thank you for making the fun learning off an intimidating yet interesting subject
7:01 And that's another disadvantage of incandescent lights. They get dangerously hot.
"When someone mentions trump, the world blows up"
*mentions trump*
*gets on trending*
Someone dropped the "Trump" bomb!!!
Trump bump
He mentioned trump!
is that why no other blow ups and short circuits were needed in this video? A precise way of dosing emotions to the viewers :D
Oh The Twatter, what would the world be without it!
LED is like 99% of the consumer market now here in Europe.
Good
@@jovianarsenic6893 haha yeah it's good 👍🏻
But this comes after the EU virtually gave Osram a huge subsidy by supporting their horrible energy saver florescent for years even though they were proven to be bad in so many ways.
@@motioninmind6015 and Osram is not even that great - i really prefer Ikea build LED lamps - Osram are dead within a few years, Ikea last for ages - also Osram is insanely expensive
@@suit1337 yeah. I wasn't taking about LEDs. I want really even commenting about osram. I was commenting on the EU giving Osram a lot of business for a long time with their horrible florescent bulbs. Osram is a shitty company with shitty business philosophy and shitty products. They're also almost gone. Good.
Are they subsidized?
A small correction: the glass around the halogen bulb isn't only to make them look like a normal one, is also because they emit some UV (check it out on the bare bulb without glass) and for protection, they are hotter. Otherwise, excellent video, as always.
Thanks, really made my day, I'm enjoying the science to humor ratio. I also dig the project comp!etion music. Quite entertaining, cool videos.
Spoiler alert: not one thing blows up in this video.
Oh ok lol
but you can grow weed with incandescent
2:01 "Involuntary muscle twitch"
Wtf why am i here for then
ok but we can make the video blow up by sharing it
twitter.com/HarryKinkku/status/1258508223511883776
4:17 "Enough Taking Let's Talk Some more"
-Mehdi 2020
Hahahahahha
Less talking. More raiding.
Oh yes, it's BIG BRAIN TIME
Is that laptop still running on XP or i'm dreaming ? Great video ! As always educationnal and entertaining !
I wish I could like this video 100 times over and then come back a few years later and do it again
ElectroBOOM really seems to like LEDs and hate Incandescent bulbs.
GOOD.
damn canada is flooded with led lights
*G O O D*
There is no reason to dislike Incandescent bulbs in Canada. The color looks good. It is energy efficient in winter which basically lasts 8 months. Most of the power is consumed by the water heater and refrigerator and the heating elements of the house. In comparison to heating a house, the power consumption of a Incandescent bulb is nothing.
@@louistournas120 But if you were running off a battery pack, you would want efficiency, and incandescent is the least efficient you can get. You can get an LED bulb that creates the equivalent light for 1/6 the energy cost. If you are generating your own energy, this is significant.
@@ColinFox if you take apart an led bulb, there is a mini circuit board housed inside. resistors, capacitors, inductors which could be considered hazardous waste.
You mean trump
"Because he is orange, he looks orange" ~ Mehdi
RANDOM I’ve always wondered why he chose that specific colour of orange, and not the normal brown/tan every other spray tanner normally chooses.
@@cjwrench07 A lot of spray tans are orange in concentration. The people who look "tan" are just getting a little less treatment.
Then again, it could just be a symptom of his less than perfect taste in style.
@@psnmadracer27 when you say symptom I thought you were going to call him jaundice
I love the different “wevelengths” 😂
This is some of the best content on CZcams and I don’t know anything about electrical engineering.
Thanks for the formula lol I wanna try my own opinions on it out lol. Great video
I was going to comment this is what a Covid quarantine-induced insanity looks like...then I realized you haven't changed at all
Ohh he changed or did he get electrical shocks this video?
wait, r u a time traveller? this video just posted a couple minute ago, why ur comment is 17 hours ago?
@@Zyroscope probably like some vip guy, i don't know what it's called on youtube but he can watch some videos before it was made public by mehdi.
Or maybe he is a time traveler...
He did, he didn't shocc himself
Haha. I was gonna comment this Exact same thing. Then I read this. Full moon or something tonight lol. 😅
I converted my whole house to LED several years ago. I don't think I could go back to CF or Incandescent now!
I'm in process of switching over. You're correct, there's no going back.
Have you had to replace any bulbs lol they last forever
@@rabbit3704 why am I looking at Peter rabbit 2?
I think Trump doesn't even know what LEDs are or that they exist
@@joemama7236 I use only LED, and for tree years I have changed four, from 12. They have much higher warrany, but I didn't bother to search for the receipt.
Perfect! Educational! Thanks
Wow! Fantastic, really informative video.
I'm an electrician who has worked with all types of lighting my entire life, and Mehdi just schooled me bigtime.
People moaned about incandescent lights, when they replaced gas lamps
In both situations, the established/existing light companies fought tooth and nail to hold back the new technology. And people are impressionable/bribable. Sometimes capitalism holds back progress when inefficient, short-term Greed overshadows data-driven Foresight. Don't get me started on the USA healthcare system and the fossil fuel industry...
@@EdricLysharae sometimes?
They had valid reason to at the time, this isn't an argument, when technology is premature it is premature. I know its fun to imagine they were just being stubborn but early incandescent were not like the modern kind, and the electrocution risks during early electrification were no joke at all, the "boom" was real.
While 60 watt equivalents are decent now with LED, 100 watts are still fast burn out junk, and neither have economical 100 cri equivalents yet in fact no where near 100 for the sale priced junk. The people who complain about people not using leds are the same ones who go on plane trips to prove how worldly they are, a single trip is likely dwarfs the ecological costs of not replacing every bulb with led, and that's without looking at the hidden ecological costs enabled by these things being made in china..
Thats called conservative syndrome,those same people were massacring gay people,exploiting black people.destroying earth with climate change,etc
@@gs-nq6mw low IQ detected
As a Swede my heart for some reason made a backflip when I heard the national anthem.
Du gamla du fria du fjällhöga nord ❤️
And with Jussi Björling! Either he got lucky or he spends much more time researching these things than I thought.
Hello from Finland Also tää video on hiton hyvä
IKEA
headquarters is in Delft, Netherlands
@@ronensuperexplainer And are controlled by the Kamprad family.
There are still LED bulbs sold out there that flicker horribly. It is especially visible when recording video. It should have been considered in the comparison.
honestly, you're doing an amazing job at telling people how they are wrong. honestly, the required spectrum (and frequency) of a light source _will_ determine the type of source being used. you just need a desktop lamp to read some papers? use LED. need to do stuff in a workshop with rotating machinery (more or less in sync with the network frequency)? use incandescent or LED or a combination of all these ; even FLs on all three phases will be confusing. Need to do some painting or work with tiny electronic components? Then you need a smooth, well-distributed spectrum. Need some lighting in a bathroom, that also needs some IR so it feels warm? Then you can either chose LEDs and add some IR heating to complement them, or instead just use standard filament or halogen bulbs, as these might just radiate the right amount of heat and light to suit your use.
There is no "right light source" for any use, it really depends on the use and in what conditions things are being used. Making things such as incandescent lights unlawful will not save the world ; people need to be taught to use the correct device for the intended purpose.
"It's not about i dislike a president or not like him"... this one killed me😂
lol I missed that!
i use a mix of cold LEDs and warm LEDs in my rooms since I'm only mildly a psychopath
"I'm only mildly a psychopath".
Must try that as a chat-up line.
you know mixing different light temperatures is a sin, right?!
@@ElectroBOOM Ofc I know. I need this for my daily sinning :)
Mine can change color continuously with a remote controller, I'm a part time variable psychopath
@@ElectroBOOM I often mix one incandescent with two LEDs in a bathroom for optimal color...
So THAT’S why I needed to wear sunglasses inside my school. Damn fluorescent UV rays…
That or it's to normalize vampirism.
I have two situations where I use cold lights: in my bathroom mirror and as optional lighting of my workbench. Both of them have same reason, in more cold light it is easier to see details
7:00 bees actually can’t see infrared at all, however they do see ultraviolet light. This gives them an advantage to seeing nectar and recognise patterns on flowers.
Hi bio teacher. how did you joined phy class 😑
And just take it's as a joke as it is not a ""political video""
And thanks for the information
@@jayakumari6414 we actually appreciate what he wrote
No u
I believe some birds of prey do too, so they can more easily spot trails left by small creatures as they run through grass.
1:37
Mehdi: It's not about if I dislike the president or not like him!
Me: ok
Me: wait... What?
I haven't noticed it!
You have attention for details, but he, he is a genius ;)
@M D Oddly enough people around the world have opinions of the self-declared leader of the free world.
Chetan Naik self-declared?
America isn't "the free world" but most presidents try to say it is
@@pravda9646 yes it is look at the constitution lol you got the best there is compare to other countries
especially the bill of rights, don't you understand that.
Never really stopped to consider how spikes in the visible spectrum blend to us, but don't reflect the same way as a more evenly distributed mix of wavelengths. The differences in how we perceive light and sound waves is so damn interesting, the way our brain fools us into looping the color spectrum with purple, the way most of us are so much more particular when it comes to detecting simple ratios between sound wavelengths vs. light wavelengths etc.
Damn, I never knew about the CFL spikes, thanks!
It’s not about if I “dislike” the president or “not like” him!
I’m dying 🤣🤣
^lololol
Haha
@M D bruh
Bruh😂😂😂😂
@Joe Average Hey, go easy. They're very delicate emotionally. Trumpites are the most easily offended hate group on the internet.
4:16 The person sleeping is himself...🤣🤣🤣(top left)
The only down side with LED is that they are damaged easily by fluctuating voltage
I guess you would be glad to know, when I moved into my current home, I replaced all CFLS, tube fluorescents and incandescent lights, with LEDs.
I also replaced all lamps, outdoor lights, my fridge light, stove light and so on, with LEDs.
The only lights I didn't switch to LED, were my oven and my microwave.
I don't know what my modern microwave uses, but I'm pretty sure I can't use an LED in my oven.
However, I would love for them to come out with a better option that makes LED look at bad as incandescent light.
The only thing I like about CFLs, is being able to salvage the toroid magnet.
The only thing I like about incandescent, is using them as a cheap heater that puts out light (but I have no need for heaters).
"Enough talking. Let's talk some more..."
:)
8:00
I can sense the fear in your eyes as you almost dropped that bulb.
Dang it, I spasmed like on another one of your videos! It must be the magnificent eyebrow
2:36 Halogen Bulb. They’re used in cars as well.
Add a row on your table : easy to recycle ... the recycling process in factories
This needs to be adjusted by expected lifetime. A properly designed LED light lasts 30 years.
You could probably reduce the amount of plastic on LED "globes", or heck even use paper to spread the light. I would say that glass could still a lot worse if its in terms of the overall environmental impact. But truth to be told, both are just as bad if you don't take into account the environmental/repurposing factors in production.
EDIT: Though I'm sure that LED bulb waste would drop super significantly we standardised to a simpler way of replacing just the LED part, reusing the housing...
@@UltimatePwnageNL That's theoretical. Actual lifetimes vary wildly. Also there should be a row for brightness and color change over lifetime.
That's not consumer experience.
I hope that led modules become repairable and that we start using recyclable/replaceable cardboard or paper diffusers, if all that needed to be recycled was a small led module instead of a module, driver circuit and diffuser it would be a lot better!
"Enough talking, let's talk some more."
Mahdi Sardahar
Rifai A. L *Mehdi Sadaghdar
ill use that on tinder
his name is in the description OP. please research when in doubt
Great video as always, but: since when are halogens inert gasses?
This is one of very few select videos on CZcams(about 20 videos now) that I actually hit the like button. And I have subscribed to lots of channels and daily about 50 vids or more everyday... including the tonns of rewatched electronics vids....but this one makes it onto my liked list nice1
2:03 i am dying of laughter
I laughed hard at 1:53
😂😂Did you spasm like though??
i am gonna make a 10 hour version of it
I laugh the hell out of it and spasmed the like while laughing. I think Mehdi did it on pourpose.
"enough talking, lets talk more"
11:22 exactly why I have kighbar with adjustable TC
I am disappointed that it took me so long to discover your channel, but I'm so happy I did. Better late than never.
there is a guy who goes by “rajiscuul” on tiktok who’s posting your videos and getting a 20k-60k likes i recommend you copy strike his videos
Dick move? He’s taking his videos without his consent so rajiscuul is kidnapping his children/videos,
good work. now we just got to find a way to remove all that copy paste dance crap that floods the whole app! Reward originality!
It's free marketing
@@SuperMachoGamer let normies be normies can't help that there mindless sheep
TIK TOK?!?! AND STOLEN VID!?!?!?!?!? HE HAS SINNED
I can’t stop laughing every time he says “good!”
He sounds a bit like former governor of California (the that used to be an actor or something) when he says that :)
Brilliant! Really well-described.
The durability of led is awesome, we have leds in our home for like 8 years, it didn't need changing yet.
My family keeps looking at me strangly because I've been unscrewing lightbulbs and looking at them for the past 50 minutes.
This is me
"If someone talks about electrify I have to 'rectify' it"
hahaha.
I learned a lot from this video. Thank you Mehdi 👍
Great! Thanks!