How To Cancel Light
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- Опубліковано 7 жов 2021
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I show you how to cancel light using a think film. I talk about hard and soft boundaries with wave reflections.
My UA-cam shorts channel: / @actionlabshorts
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How is this 6 days ago..
Oh nice
6 days ago? Insane
6 days ago lol
@@devonchristopher5837 ikr
Sounds like a Twitter physics experiment
Sounds copied
@@fx_1513 nah, it's just herd thinking
everyone had the same idea basically
LMAOAOOA
I knew this would
@@panzerofthelake4460 Before I could ask u "O panzer of the lake, what is your wisdom?" u already answered. Maybe u are 4 parallel universes ahead of me 😳😳
How to cancel light:
Step 1 - find a really old controversial Twitter post by light
Step 2 - retweet
Step 3 - Cancel light
@snoop omg lol
*Yagami-kun*
@snoop 👏you should post this and see how many twittards you can find
I wish these jokes didn't happen.
Awesome!
"Before we continue our experiment I wanna tell you about Fabulous..."
Never continues the experiment.
Capitalism moment
He forgot.
C4n 1 haz mor speriment pls
NO
I was about to comment the same thing. I was intrigued by the experiment and wanted more. Like a cliffhanger at the end of a season of a show that gets cancelled.
This clip was actually shooed before. But i guess he later think that it would be better to keep it at last.
"How To Cancel Light"
Twitter User: My years of training have prepared me for this
Yes a trick we learned at high school, is already beyond twitter users... typical.
Lol
Black Lights Matter
What did light do to deserve to be canceled? Lol
@@westonding8953 cuz it's light instead of dark
Cancel jokes aside, this is so cool. Never heard an explanation of why soap film looks colorful that was so intuitive before now.
Yes. Person from 1 month ago
Light who travels 8 minutes from the sun to earth just to be cancelled:
8 hours actually
@@007kStar No, definitely 8 minutes. ~93 million miles distance at the speed of light 186,000 miles per second is ~8.33 minutes.
And thousands of years before leaving the sun!
@@007kStar *minutes*
That's a good one. To be fair though, the light that's cancelled doesn't disappear; it continues traveling straight through the soap bubble film. There's just no reflection.
Twitter users when they realize white light consists of every other colors
lmao
I dont think twitter users would cancel their own kind, theyre hypocrites
Liberal twitter users think that white light is raycyst.
@@pitohui313 damn, even bot know that meme
except black.
Twitter users after seeing this: finally, worthy opponent!
@@pitohui313 .......tf-
our battle will be legendary
HAHAHHAHHA I KNEW SOMEONE WOULD COMMENT THIS AND ITS 100% TRUE
I clicked just to make this joke
@@pitohui313 what the fug
Ah yez, now we are gonna cancel light too. Twitter moment.
xdd
This is going to blow up
@@thinktwice3821 everyone started copying already
Vox/Buzzfeed/Verge: Yes light is racist
@@fx_1513 chill.. comments are for fun not for fame lmao
action lab: demonstrate the light wave
me: damn that DNA strands look so cool
That's exactly what I thought
I think that LIGO (the gravity detector) works this way... it separates a laser beam into two long structures at right angles, then recombines them and expects complete light cancellation, but when space grows in one direction and not the other, the cancellation pattern changes and some non-cancelled light is seen.
Wow, never knew this. I always thought that the LIGO measures gravitational waves by measuring how far lasers diverged from their pre defined points of contacts both where they cross each other & where they fall on detectors. Thank you for the insight & reading my comment. [DiowE]
Oh huh!
@@DiowE It's kind of both. The idea is that the influence of gravity is so small you have to test many phenomena to notice it's effect because the effect of virtually non-existant to any one. Thankfully they turned out to be much easier to detect than imagined so really we just have a crazy accurate detector right out the gate.
I thought it's just a lock in amplifier.
This LIGO detector is a type of Michelson Interferometer AFAIK. It can measure large distances to precision levels below the wavelength of the light being used among other things. The main reason it was successful so quickly was because the gravity waves from an absolutely massive gravitational event reached the Earth within a couple of weeks of it being turned on, giving unequivocal evidence of gravity waves very quickly when they were expecting to have to gather data for a much longer time before having enough evidence.
Thank you for this. I'm currently learning 'interference by division of amplitude' and this really helps.
This is amazing... As a kid I was aware of this phenomenon (and knew that when the layer gets colorless it will pop every moment), but now I know the physics behind it ^^
I recall black spots.. knew for sure the bubble was about to pop..
Simple experiment yet so beautiful with your explanation this is how they never teach physics .You are the best 🥺❤
pretty sure this how I was taught physics.
Yay another video!!!! THANKYOUUU
Even light itself, the fastest of all, cannot escape cancelling
this channel keeps showing things in a very clear way, I never heard before, although I watch a lot of similar content.
Great job!
0:10 thanks mate. I thought I had a strand of hair on bottom right of my screen 👏
This guy is amazing. Always comes up with new experiments and I get to know a new thing
fabulous is genuinely an amazing app! glad they're sponsoring you!!
The lack of light reflected at the top is a bug in the physics engine that causes the bubble to crash, DM the admins and it will get patched the in the next update so we can have permanent bubbles just as the developers intended.
This is the best video i have seen explaining phase change due to reflection of a wave
This is a great video, it links so many different concepts together :D
I been subbed about 4 or 5 months now I believe...most interesting stuff i can actually see in real time...keep it up 👍
I've done that experiment by smashing together two very clean microscope slides. In fact because you put pressure on them you can change that effect on the fly by pressing the slides together harder.
And if you smash them hard enough a black hole is created
@@infinummjb or you get a cut on your finger at the very least
@The Action Lab Nice video! I've actually graphed the colors you'll get based on wave theory. I then predicted the colors we should see from this, and it matches quite well! This is how I know you were using a Fluorescent Lamp for illumination. You could do a video on that as well, if you wanted. The pattern of colors in the soap bubble are unique to each light source, provided they are sufficiently different.
Based color genius
I read about this in wave optics class 12 but once you see it in real its so so so cool .
Great work
The hits keep coming and they don't stop coming. Awesome show, great job!
A visual representation what audio engineers do on your favorite songs you listen to everyday.
Twitter when they realize that there's no black light.
@@pitohui313 no
This is one of the best channel in UA-cam. Thanks for the efforts.
There is a UA-cam video I once saw. It told me that "destructive" waves don't exists. Due to the conversation of energy - electromagnetic waves don't have "destructive" interference. The energy just goes somewhere else. Like it gets reflected or shifted.
Anti reflective coatings increase the transmission for example.
Action Lab: How to Cancel Light
Cancel culture: we're listening.
I love this, thank you very much! You just showed how all waves are the same no matter photons or H2O or air (phonons).
Awesome vid, pls keep this up🙌🏼
This is awesome! I used to be very much into physics during and after my high school years, but I always struggled with the waves. Now on my current career I feel I'd benefit a lot of understanding the mechanics of light. While this kind of content does not give me any more tools in practice, it boggles my mind and is just awesome. I love your content and you have taught me and entertained me a lot!
“How to cancel light”
Shadows: don’t forget me
this man has taught me more in 1 single video than in 5 years of school
Love your experiments 👍🏻
Good job . This will really help me.
You put the ad the end after saying “before we continue with the experiment”
I noticed that too 😡
*"WE MUST CANCEL LIGHT!!!"*
- Literally every Twitter and dark mode users.
Wow! Amazing illustration of concepts
I don't know how I never saw this, but this is terrific. One of your best.
Twitter: we have been watching your career with great interest.
Ah yes, This is a Certified Twitter Moment
@@pitohui313 WTF IS THAT MY EYES
Outstanding work
Really great video. The explanation of why bubbles showed a color variant is something I have always wanted to know.
To Americans does "bounces off water" sound weird? As a Brit "bounces off of water" just sounds wrong. 🤣
I think in american to bounce and to bounce off have different meanings 🤭
@@thelazy0ne adding the word "of" just seems totally unnecessary and makes me cringe. I just wondered if Americans feel the same way when us Brits don't add the word "of". Also, are there parts of America that don't tend to add it?
OI INNIT M8
I can already see twitter memes comming
Hide.
Thanks for the video.
This is getting better and better
Great demonstration. I have a question:
When we destruct-interfere light, where does its energy go (so we don't violate energy conservation)?
I'm assuming since the directions are opposite it's like adding 5 and -5...both have magnitudes but due to direction it's zero. So energy is conserved.
The energy from one wave of light feeds into the other wave. Think of it as a wave with an amplitude(vector-based)of 1 to 10 and the 2nd wave has an aptitude(vector-based) of -1 to -10. The waves are directly out of phase so you get 1+ (-1) =0 ... 10+(-10). So all the energy in the system is converted from light energy to heat at the convergence point, edge of the bubble.
@@Sadenshard I believe that both light waves are still there - I don't think they are actually destroying each other any more than multiple ripples in a pool destroy their opposites. I suspect with the right type of optical apparatus you could split them apart and see them both again. But I'm an electrical engineer, not an optical engineer, so I'm not sure how that would be done.
@@Sadenshard Of course, it has to be twitter!
@@Sadenshard Be careful. That actually isn't true. Light doesn't cancel into heat. The energy is always conserved in another wave of light. In this case, the light that isn't reflected passes straight through the soap bubble film, so the energy is all still there.
"how to cancel light"
Twitter users: "write that down *WRITE THAT DOWN!!!*"
thank you for the new lesson.
I had actually read about "thin-film interference" in my physics classes, but watching this in action looks so magical and mesmerizing, the cancellation of light is so freaking awesome!!!
Title: "How To Cancel Light"
Cancel Culture: This looks like a job for me
THIS LIGHT LIT UP 60% OF ALL CRIMES AND LEFT WITHOUT TELLING DETECTIVES
time to CANCEL LIGHT
"Before we continue to the end of the video, let me tell you about our sponsor."
Technically correct, assuming you're interested in proceeding to the end of the video without delay...
@@thelazy0ne Except there is a delay. The sponsor ad.
the wave experiment with the two different springs is an amazing representation of why in a transmission line you want Impedance matching
as an RF technician its really nice
perfect. very interesting phenomena and its reason. waiting for your next topic.
before we continue our experiment i want to tell you about our sponsor...After Sponsor... Hey everyone thanks for watching another episode of the action lab I hope you enjoyed it.... lol you got me
He has attained the Highest level in cancel Culture
Great video. Maybe the best explanation I have heard for interference colors in bubble film. I liked how you can see the progression of primary, secondary, tertiary, etc interference colors as the film goes from thinnest to thickest. Maybe you can do a video about interference colors that occur on birefringent material between two crossed polarizers.
great video!! mr action lab :)
Fist
Fist
Ah yes fist
!!!
Yeah
Stop misspelling First, so I am first
I love your experiments. Thanks for the efforts.
There is also more to this if one digs deeper.
Interesting lecture covering this and other stuff AL has done recently ua-cam.com/video/Np9TuarsoX8/v-deo.html
Beautiful!
“How to cancel light”
Geez, the cancel culture is outta control nowadays…
This was really cool!
OHHHH WOW!!! I had watched one time at first and didn't get it, still having in mind the idea of a 'quarter wavelength' thickness or something that the reflector would be, but I totally see now it's because the first transition is an inverting reflection and the second is a non-inverted reflection, so they are just nearly perfectly out of phase as long as the distance is small of the film compared to the wavelength. So cool!!!!!
This channel is gold.
Hi!! Thanks for this awesome science video!!!
Your channel is the only channel i have ever encountered that has long videos but the content of the video is also very rich and not clickbaity long videos. If i would have seen a 10:01 minute video of yours, I would have wondered what you have taught that long instead. Thank you for that.
This is the kind of education I was hoping for one day.
In my 11th and 12th the only stuff I really understood or I thought was sensible is the classical mechanics coz I could feel it I could relate to what was being thought.
And then came a chapter ABT waves and simple harmonic which made no sense to me , and I struggled really hard to relate what was going on untill I just gave up understanding these stuff ....
But today your 8 min vedio changed my view on waves and now I really feel waves is not too different from our daily life instead I can feel it now.
Thank you very much for carrying out the rebounding experiment.
Excellent. Good one. 😁👍
That contraption is so pretty.
Looks like an interesting science fiction video so fascinating!
Very cool James.
This was great 👍
This will be very helpful for twitter
Amazing stuff.
Nice experiment 👍
Fabulous Video 🔥🔥
Awesome!! Never thought we'd cancel light one day 👀
I don't use Twitter so thanks for enlightening me.
Thanks for the your weekly experiments
Fabulous my dude.😁
Dude how do you always find interesting content
Twitter needs to get in on this
2021: How to cancel light
2071: How to keep-up with magnetism
I feel this could be used to tell where and when the bubble or film is the weakest. Like where surface tension is the weakest. Thought about asking you this like a week and a half ago and whether color shift is limited to bubbles from soaps of certain types and other solutions.
Action Lab: Knows some cool facts, produces something of value, communicates it to us through understandable videos.
People commenting about twitter: The exact opposite.
Wow. I thought it would be an animation. Amazing
Marvelous.... ❤️❤️
Twitter be like:
Right that down, right that down!!
Maybe,... learn to spell?
Am I the only one to pause the video after "and what I have here is a double helix machine" to try and find one myself? Having been a successful Vibroseis Technician, I fully appreciate wave reflection and phase. Just about every technology benefits reflection, refraction and diffraction. Keep the flow of information with new videos.
That moving DNA model was so dope.
We did this in physics, but I never thought about it in terms of light!
hahah, you actually put ads at the end, really cool stuff real cool bro
Very cool.