Invisible light will make 'Gold of the North' visible?
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- čas přidán 29. 07. 2022
- Can invisible UV light make amber gemstones easier to find? Sounds a bit weird but let us test if it really works. Including testing if some inexpensive UV safety glasses will protect our eyes when using high-intensity ultraviolet flashlights. Time for a journey into the world of fluorescence...
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#Amber #Ultraviolet #Brainiac75 - Věda a technologie
Some recommendations: Many kinds of amber are not merely fluorescent but also phosphorescent. You can check by closing your eyes while the light is on and opening as soon as you turn it off. Putting the sample in the freezer, or better yet cooling it with liquid nitrogen will dramatically extend the phosphorescent glow lifetime by leaving the unpaired electrons in the excited triplet state stuck there without the availability to absorb thermal kinetic energy to flip the spin and allow the electron to relax back to the ground state. Also, if you are really into this stuff I HIGHLY recommend getting a quality 365nm true UV LED with a proper zwb2 filter to look for fluorescence. The 400nm LEDs here just totally wash everything out in purple, but the filtered 365 light is DRAMATICALLY better at viewing everything. A good pair of UVEX clear UV blocking goggles would also let you see the true colors of fluorescent things unlike the yellow goggles.
Oh yeah I have a convoy nichia NCSU276A 365nm flashlight with zwb2 filter and its absolutely the real deal. That emitter already has some of the least unwanted byproduct, but with the zwb2 there is basically none.
Yes! My regular prescription glasses blocks out the UV so I only see what is fluorescent. Example when I was shining my 365nm flashlight in the snow, I could see cloth fibers, and had no reflection of UV.
Any 365 or below UV emitter you can reccomend?
@@kaspervendler1726 they're extremely rare and very expensive but Raymond Wu on here has shown off some ~260nm flashlights that he makes. Everything is still highly custom and small individual operations selling them.
I have and recommend the Weltool M2-BF very powerful single LED with a woods glass filter
I guess I should check all of my rocks that I thought could be amber
lmao
Ignorance is bliss
I've purchased many UV lights for rock hounding. You will notice them even more and from farther away with the "Convoy C8" 365nm UV. It's a lil pricey ($100) but it is the best 365nm UV out there. It will fluoresce objects 70-90ft away with only a single LED. My much larger 3-LED "uvBeast V3" 365nm with it's 3 LED's, only fluoresces objects 50-60ft away. The uvBeast V3 is still is an awesome light and beats 99% of the UV lights out there.
@@MAGGOT_VOMIT Haha, I actually own a Convoy C8. And I totally agree with the fact that it's amazing.
@@OfficiallySnek Last year My C8 was lost in transit and Amazon had a "uvBeast V3" available for me to receive next-day before my trip up north to hunt some sodalite. I did receive my lost C8 the same day though. The C8 was definitely brighter than the UvBeast V3.
For their over hype of the V3 on their Amazon page and the fact that the V3 is still a great light, I decided to keep it as a back-up. 🤣
The word for electron and electricity comes from the latan word for amber, electrum. People in ancient times used it as a bearing material with wooden looms and got shocked by the static electricity produced. Got that gem from Tim Hunken's great series - The Secret Life of Machines.
wow didn't know that. thanks!
Awesome
Please allow me a correction/addition here. The word electrum comes from the greek word ἤλεκτρον. While latin has been the bridge transferring the word to the western languages, the origin of the word is clearly ancient Greek. The word electricity comes from this word, with an latin ending of course, as the Greeks would name it ηλεκτρισμός.
The sales of uv flashlights just went up! Here in Texas, we use them to hunt scorpions... It's actually fascinating to see just what fluoresces around your house at night. Just be sure to wear eye protection, because it's a little addictive, and you might spend a couple hours staring at things that glow. It all started with blacklight posters from the 70's... 😵💫
Good advice!!👍
I've purchased many UV lights for rock hounding. You will notice them even more and from farther away with the "Convoy C8" 365nm UV. It's a lil pricey ($100) but it is the best 365nm UV out there. It will fluoresce objects 70-90ft away with only a single LED. My much larger 3-LED "uvBeast V3" 365nm with 3 LED's, only fluoresces objects 50-60ft away. The uvBeast V3 is still is an awesome light and beats 99% of the UV lights out there. Just don't shine them in your bathroom. 🤢🤮🤣
@@MAGGOT_VOMIT haha, yeah, I'm sure! Sounds like you have some awesome flashlights...
The sodalite sample at 7:36 is really beautiful when fluorescing under UV! Fascinating.
That broad cast, lower power light is great for avoiding/catching scorpions.
I'd also like to point out that that "tranparent rock" appears to be Citrine. It is a quartz crystal that has a metallic contaminate that turns it yellow to orange and is quite prized as an alternative to Topaz.
These lamps are also a good way to detect fraud. When I got one of these, I immediately went ahead and tested them on a few amber souvenirs that I had laying around. As it turns out, only about half of them actually were fluorescent.
The worst one was an amber necklace which my great-grandmother once bought for over a thousand Deutsche Mark. As it turns out, that was some expensive plastic.
That sucks.
Unusual. The UV lights and the anti-UV safety glasses were as represented.
Would an IR detector also notice the output from amber being irradiated with UV? You mentioned the translational vibrations between outer orbitals.
Tx for the northern gold lesson!
Actually any CR-39 or polycarbonate prescription lens has 99% protection against UVA and UVB wavelengths, making uv protection lenses not as necessary if you wear glasses.
I would love to see a video of Brainiac comparing safety lenses to prescription lenses of different materials and coatings.
Not unusual, UV filtering is kind of a freebie with polycarbonate plastic. en.wikipedia.org/wiki/Polycarbonate#/media/File:VisibleLightSpectrum2.svg
And once again a masterpiece of science video!
I just want to thank you for your efforts put into those videos. Those videos are the reasons why my interest in science sparked again. I love it and your content!
Please stay safe and healthy in those uncertain times
Fyi:
UV glasses dont need to be orange. A lot of clear plastics block UV (both 395 & 365) just fine. In fact you dont even need to get spesific UV rated clear glasses as the majority of generic safety ones do the trick.
Even most standard eyeglasses block a lot of UV, especially polycarbonate lenses. My prescription glasses block just about as well as my UV protective goggles.
@@mbessey perks of living in the US. Wish i could get poly glasses
Came looking to say this.
The amber color may help, but Polycarbonate thicker than .75mm should block almost all UV.
@@kevin42 They don't have plastic where you live???
@@filonin2 nope. And afaik its mostly just a US thing. All our glasses are well... as Apollo would put it, g l a s s.
I played with my rock collection and I was blown away to find that I had a good amount of florescent rocks and then had fun photographing them as a group on my table. It's so facinating to me. Nature is awesome
Very Cool. Thank you for the great explanation on how Amber Fluoresces. Also, enjoyed how you tested the glasses.
Wow, you have such a calm voice and explain really well! Your videos are super interesting! Thank you :)
I still love your unique way of explaining after years of following you. Thanks!
Thanks for making these video. They are a joy to watch 👍
you sound super nice and your fun to watch keep up these videos!
Have you used one of the filtered UV flashlights? They emit 365nm UV and have black lens filters that block all visible light generated. The UVBeast is an excellent choice, it's about $40 and puts out 20 watts of 365nm UV, it heats up anything it's pointed at it is so bright.
Time to put on sunglasses and watch the video!
I do generally recommend sunglasses with UV protection - though not for watching this video and amber hunting at night with UV light ;) Thanks for the early watch!
I need to get a spectrum analysis tool, I have a UV laser and a UV LED flashlight. They both make ravewear and neon things fluoresce, but the laser diode does not cause scorpions to light up, while the flashlight does
Sorry for my spelling :)
I envy your UV laser... While the 405 nm violet 'blu-ray' lasers are very good at making things fluoresce, they are also visible. I would like to have a UV laser in the future to make things fluoresce using truly invisible light in an even more impressive way. Though a single wavelength laser may not be as good as a wider spectrum UV LED. The wider the spectrum, the more likely it is, that some of the photons have exactly the right wavelength/energy to cause fluorescence. Thanks for the early watch!
@@brainiac75 Collab. with styropyro?
@@SpaghettiEnterprises I feel like that would be a HUGE step down in terms of safety and send a very poor message to his viewer
"but the laser diode does not cause scorpions to light up"
The best scorpion lasers are the ones that make them burst into flame ;)
@@brainiac75 I've also been searching for a spectrum analysis setup and the setup you used here looks like it would work for my purposes. Could you tell us what software and hardware you used? Thanks.
A Geological video? Your depths of science never cease to amaze! Practical and Enjoyable!
I am born curious so I don't limit myself to a few sciences. Anything interesting to me is worth exploring :D Thanks for the early watch!
Wow! Your videos are amazing and beautiful! Very well done!
This is masterpiece.
Thank you for your efforts.
I did enjoyed it and got some inspiration to do my own research about Amber.
Best wishes.
Very interesting, great job! Subscribed
so interesting! very good explanation of fluorescence
Been a long time viewer, love your videos.
Glad you are still here and watching this early. Thank you very much, Marcus :)
Great Video as Always! 👍
this is a very different kind of video, way cool! thanks!
Great presentation. Thanks for the insight.
it is impressive the way how to make the boring things so amusing. thank you for this amazing video
Thank you sir very helpful I like how you’re very thorough keep up the good work I enjoy your videos very much thank you
I have a 365nm flashlight and my regular prescription glasses (with extra blue filter (purple tint)) blocks it out completely. So when I example shine the light on snow I can only see what is fluorescent in the snow, so there is no UV reflection.
Do not get the yellow protection glasses if you plan to see what is emitting blue fluorescent light, since it blocks it out.
I also ordered cheap blue light blocking glasses (has the purple tint) for kids on aliexpress so they can join the fun.
Super interesting, thank you 😊
Awesome I love watching the stuff
Det er nogle rigtig gode og lærerige infomation du kommer med. Mange tak og god aften til dig :)
Selv tak , Basse :) 'Undervisning' kan godt være spændende - flere videoer på vej!
@@brainiac75 Det lyder godt :) eller jeg kan komme hjem til dig og se det :P jeg bor tæt på ^^
Your videos are the best!
Quality over quantity ;) I am not here to make half-hearted videos. Thanks for the early watch, Ronsku!
@@brainiac75 Agree. I'd just wish that your accent would improve. Haha, no, just kidding :)
@@CZcamsr-ku4nk his accent is half the reason I watch his videos! 🤣
@@Quickened1 😂
Interesting - I never new that amber Fluoressed - I'm used to other minerals such as zinc ores and others that are quite impressive under certain UV lights. (There's actually a mine in Franklin NJ that offered tours - and to see the walls of the mine light up with low level UV light is fantastic!)
This is similar to how quantum-dot TVs work. And I find it fascinating.
this is amazing!!!
Such glorious beauty in this place we find ourselves existing. Setting aside any beliefs or opinion as to it's origin, how could anyone not be in awe at this and countless other beauties?
Lovely video and thank you!
Cool. Thanks for sharing.
Protective glasses that actually work!?
For being inexpensive and unmarked on the glasses, I was a little surprised by how well they work for 395 nm LEDs. And not only do they actually protect, they also make it easier to spot the amber. Protect and improve performance in the process - really no reason to not wear these for amber search :) Thanks for the early watch!
Very helpful thanks 😊
I want a countertop made of that last sample. It looks gorgeous!
Thank you for sharing
Cool video, I never knew amber was fluorescent.
Scorpions are also fluorescent under UV light.
beautiful, thanks for exploring the natural beauty of amber and other naturally fluorescent rock.
Your voice is very soothing 😪
Yeah, I've used my UV flashlight to find a bit of amber on a local beach. However, I noticed that some types of seaweed also react strongly to UV with a similar color. And of course some plastics too.
I love florence! With UV light it brings out the hidden beauty otherwise unseen
I’m glad the products all held up under test with flying fluorescent colors. :-)
I love this channel
Hello. Great video. I just wanted to say, here in Michigan we have rocks ( sodalite-rich syenite rocks in Michigan ) that contain florescence. (AKA Yooperlite) Yooper is a native word, meaning upper peninsula of the state. These rocks are sodalite-rich syenite rocks that also glow under UV light. It’s nice to now know, the glowing is due to the excited state of the electron and losing energy in the form of light. Oddly, it’s the same color as the amber in most cases, but some do vary in color. So, I’ll assume the energy released is different in some, for reasons I’m sure you know.
Another amazing video mate.
Can you tell me why your UV light shows the spot's on the Banana but my same Nm LED torch doesn't? A mystery for me it is.
Hello bro,your videos are soo good,i like that accent.
Hi Hishaam. Thanks for the early watch! Glad you like my videos - more coming with my Jutish accent :D
bro you got me nostalgic with that treelands music
7:56 WOW. That looks freaking amazing.
Great video! Do you think you could measure the luminescence spectrum of amber with your spectrometer?
I really Thank you for your videos, they are great and filled up with many information, would you please let me know what was the hardware and software did you use to measure the light wavelength.
Thank you🌹.
So inspiring. This really makes me want to get a cheap light bar and replace the white LEDs with UV, and put it on an atv. I wonder what the forest would look like flood-lit in UV? Maybe I'd collect all the glowing rocks to put in a garden with a UV solar lamp to make it glow at night.
You can just buy a big "Sanitizing" scam wand. I've seen them manufactured from shoplight housings. They should make things fluoresce but won't actually kill anything since nearly all uv leds are uv-A like the big flood flashlight. The real uv-C leds can't have plastic housings or lenses
@@stephen1r2 what about the headlights on the newer cars...those lights make you go blind, can they also killl like the lights you mentioned?
Thank you
Can you do a video on many different kinds of florescent rocks that can be found in your backyard? We have a patio deck and we put rocks below them. And I took my blue laser outside one night to do some wood burning in the nice cool summer weather. And I noticed that the rocks, pretty much all of them had this orange glow on the edges. But when you turn the light off they don't glow and you can't see any paint or anything of any sort on them under normal light from a flashlight or anything. These rocks were bought from a mass rock company where they take rocks from a copper mine or canyon and grind them up and sell them as rocks or gravel. I would love to know what was on these rocks and why they glow an extremely bright orange color. I noticed it wasn't just on the rocks as I shined the diverged beam on the concrete and leaves on the ground. This orange was in streaks on the concrete and also on leaves on the ground. Not all of the leaves had the color but a lot did. I also went inside and saw the same color but in very tiny pieces of fabric on the carpet. I could only see this color with my blue laser safety glasses on. Without them on I couldn't see any of this orange color.
Could you do a video on this particular phenomenon or subject to help answer this very strange question and phenomenon?
I've tried searching the web for this info, but it appears it doesn't exist because nobody has covered it. Or maybe I'm looking in the wrong places.
Great video by the way, keep it up!
Nice👍
6:15 Think of that mechanic like a gearbox in a car, it turn high speed rotation (high energy UV photons) into a low speed rotation (visible photon).
At 2 min 10 sec to 2,13 the beams from the two sources seem to "stick together". Like they won't let go of each other. I have seen that in a sunrise too, where it did not want to let go of the ocean. Is this our mind playing tricks on us? Big fan by the way. Ser alle dine videoer :)
I've seen that too. This was during sunset over the ocean. I have pictures of it. Maybe it's some funky quantum interaction...
@@korpen2858 that would be pretty cool ;)
i believe that this in particular is in part a camera artifact, and in part just the darker parts of the spots overlapping to create a much brighter part than their sum ( perceived brightness is not linear ).
I would think the sunrise one is a mirage, but i am not sure.
@@chri-k I like your answer, but the visible experience is exactly the same, so there must be more to it, I gather :)
@@michaelbjerg-nielsen6814 the particular camera artifact is that the change in exposure in response to change in brightness is not instant ( so the camera overexposes for a few frames, making the overlap even brighter ) - and it is not instant for your eyes either.
7:45 my god why didn’t I know what this looked like this is beautiful
I do biology field work , and we use these flash lights to search for scorpions at night. They glow very bright. Makes finding them easier. Great video!
(quietly begins counterfeiting 'gold of the north' with turmeric powder)
Really cool
7:53 damn, yea, that definitely is beautiful!
Really hoped you would show a clip looking for amber at a beach at night or something with the equipent you showcased
Great video, we love Mother Nature especially when she shows off Great video 2x👍👍
Some really good (and really bad (filled)) Ruby also have strong UV fluorescence. Along with many other gems. Some even glow for a short period after excitement, I belive the Hope Diamond can do some weird colour changes.
Those are impressive glasses.
Love your channel. Reminds me of vsauce! Happy I found this channel!
The last bit, the lava one, would look cool as a table with lights like that in it that can be turned on or off
But the question is: how much amber do I need to find to cover the cost of this equipment?
You could do it with one piece if you find some with an insect in it! Ants and flies are somewhat common, (yet still valuable), but find a piece with a bee, spider, or other larger insect or lizard, and that amber can be worth it's weight in gold!
We use the same LED flashlights here in Nevada USA to spot scorpions. They fluoresce under black light.
i enjoyed the music
where to get these uv glasses in germany? any link to ebay or aliexpress or amazon for me?
I've seen a video once of people bringing a uv flashlight to a rock beach at dusk and some of the rocks had that lava looking glow (7:56).
Thanks for the useful videos. Would a 365 uv light be better than 395? In which case would use which one of them?
Fascinating. If you cool amber using liquid N2, will it become phosphorescent?
could you show us other natural things that fluoresce under UV light? maybe just going for a walk in the wilderness and shining it on everything we might get some real surprises! And you could go into the forest, to lakes and rivers, maybe some meadows.... And OF COURSE go to some places with different types of rocks... (I KNOW you have more than clay and mud lol.. right???)
I think it would be SUPER MIND BLOWING!!! And now that it is Summer time you will get some real results compared to the rest of the year!
What do the rest of you guys think? Sound like a cool video?? :)
Very interesting video. I was wondering during it how he found all these samples. Fake amber would be pretty rare (at least I hope), so how do you get it?
why would fake amber be expensive? those are just rocks that happen to look a lot like amber. If anything would be expensive, it would be the *actual* amber.
That shot at 8:00 is just _gorgeous_
Phenomenal florescent phenomenon
Could you post a link for the spectrometer you are using.
Now we just need to know where to by those safety glasses that work, and the small flashlight
Ebay!
I do some rock hunting myself can you please tell me where you got the rock in the video at 7:50 it looks very similar to sodalite Stones we find here in up Michigan thanks.
Wow, I wish I had equipment like that.
Nice video. Can gold be spoted using some form of light?
Nice work. Will a 365nm work as well? Mine which is a 365nm doesn’t work on amber or maybe I am doing something wrong
What are you using for the optical spectrometer?
I've been up in Fano in Denmark using these at night, but the problem is that certain shells and seaweeds also flouresce, so it's still very tricky to find any amber.
Hi, what equipment did you use to measure the wavelength?
yeah picking up the amber piece is the most telling :)
Thank you for reminding me to go walk the creek behind our house with a UV flashlight. I'll be heading out tonight with the wife. We live in a glacial till zone in NY. So many random minerals can be found in the creek bed. Can't want to see if any of them light up.
What sensor are you using to get the spectrum of the LEDs?
Perhaps you should show in a video what your uranium samples look like under different types of UV light
My normal eyesight glasses (transparent)block almost all uv light. I tried both with 395 and 365nm, when I shine the lights on fluorescent material with my glasses in front, the fluorescent material doesn’t react at all.