Crazy Material That You Can Make at Home That Actually Bends Light!
ฝัง
- เผยแพร่เมื่อ 13 ก.พ. 2019
- Get your Action Lab Box Now! www.theactionlab.com/
In this video I show you how to make a material that makes light bend! I first show you that light always moves in a straight line. then I show you how you can change the direction of the straight line. Then I show you a material that continually changes the direction of the light rays so that it curves!
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He is the Science Teacher we wanted but never had
I would rather have Mark Rober as my teacher
69th like
😂
@@chazzy5369 101%
So true I wanted him to be my science teacher 🤣
Light: *bends downwards*
Light: "I swear this doesn't happen often."
Black hole: ...
@B H Black hole:…
Black hole:…
Black hole:…
Black hole:…
This guy just won my subscription after the light explanation, I'm speechless. If at least 5% of the professors around universities could have such a fine way to explain things, we probably would have a smarter society.
I just love the fact that you are able to explain complex concepts such as quantum mechanics' physics with simple real life examples.
I watched another video when you explained quantum tunneling by holdin a simple glass of water on your hand... that simply blew my mind and made me realize how it actually works!!
Thank you for sharing your content with the comunity.
"Alright guys so light travels in a straight line."
bends light
Lol ya
Light: Am I a joke to you?
@@thepetrolhead55 wait god created light and he is light so if light is a joke isn't god a joke
*BLASPHEMY THIS IS MADNESS*
@@mr.random9239 CONFUSED SCREAMING
@Yann cedric Totsingan ikr
This is one of the coolest light experiments I've ever seen. When the camera was below the counter.. this is cool. Thanks man!
Assuming gender?
Well I'm sorry, it's obvious LMAO
@@roder5759 hi i saw you
Wdym u saw me
Assuming gender? Wdf?
How to bend light:
Step one: make a star or black hole
Step two: Done. Objects with a lot of mass can bend the light around them.
@@user-pu5qe7qx7f need further instructions i am completly stuck in the singularity of the black hole and theres no light at all here. Help
@@dayone3363 seems like there are good network connections in singularities, no worries now
@U w U Caution: Go away before the Star forms. Otherwise too late.
@U w U Note: If your star turns into a Black Hole, better luck next time.
The action lab: "So i found a weird glitch that can bend light"
Angels: *REPORT BUG*
Lol
@@snuzieB Perfect.
@@snuzieB o
@Azazel Drag it is
:v jk
@Azazel Drag Haha lol
"so what did you do this weekend?"
"i uh, i bent light"
"what"
edit: shut up ive heard "hes not bending it" 6 times
We have firebenders and waterbenders he is the new lightbender
AtomicLight action lab: the first lightbender
Just use water?
Ashton Scripts you’re hot 🥵 can we date?
Nice
*Lightbenders: **_am I a joke to you?!_*
Hmm Justin y
I thought the last air bender was a joke.
_Bob McCoy YOU, ARE, EVERYWHERE,
Finally someone who speaks English...
Lightsabers
The density gradient of the atmosphere does this too, allowing you to see objects that are geometrically below the horizon, and causing sunrises to appear earlier and sunsets later than they occur astronomically. The dispersion in this bending (variability with wavelength) also causes the "green flash" occasionally seen just at sunset over the ocean.
And that's where the flat earth scam started.
@@primonomeultimonome
He actually proves FE because he's showing you light does bring objects above the curve it makes everything above the surface appear lower than they are.
Pay attention for once.
@@wideawake2814 Too bad that light bends down, thus destroying your imaginary pancake. I'd advise you to pay attention but it's obvious that a flerf cannot.
@@primonomeultimonome
You're right light bends down not up and over a curve. While he is on the other side of the tank pointing his light imagine being on the other side looking at that light. It bends down giving you the illusion of it setting when in fact it's still high in the sky. So much for your imaginary curve, the video shows the hump is an illusion. You can do a simple observation with a magnifying glass at eye level with a long counter and see how it affects not only the surface but also what's in the background. You have to have the light bending upwards for your globe theories to work. lol Up up and over the curve we go.
@@wideawake2814 When lights bends down, the curve looks flat, that's also what happens on Earth. Say goodbye to all your supposed FE "evidence". But of course flerfs can't grasp basic optics. Thanks for the comedy gold buddy.
The Action Lab: Proof that light travels in a straight line
Again him: Proceeds to be *John Cena*
PaM pAm pI duM pUM
The fact my mind automatically does that when i read it.
I was searching for such a comment
You should do a video on how much fire weighs
But isn’t fire just... heated gas? Idk, maybe I’m just dumb and need to watch more action lab?
Fire is really nothing, just energy.
@@ren6140 you are correct. IMO Fire should not weigh anything.
Fire?
idk just figure convection may make a change in weight, and I'm sure he could.make ot interesting
12:34 when you're lagging so hard the road doesn't even load in
TALKINGtac0 it teleported me to an ad
That doesent slip
Skip
Thanks a lot for the video! Loved the reasoning on why the light curves when entering a denser material. I had accepted the refraction indices, but never really understood why. The explanation of the time to travel makes a lot of sense to me. Thanks for that! I really appreciate the conceptual explanations and reasoning more than just plain formulas. Great work!
Probably the best all-around description of light and its properties that I've ever heard, and I've heard quite a few lol... love your channel, keep it up!
Cheers mate!
- Jesse
He blinked 116 times in the first 1min and 20 secs. That's without counting the times he blinked behind the white panel
Pretty obvious to blink 100 times in 13 minutes but that's insane
And yet we are all still here and the world didn't explode.
@CanyonsLegend
You're right I'm more talented. I poop ice cream and ride a unicorn with a dildo horn into the skittles rainbow.
@CanyonsLegend
Not in Satan's agenda sorry.
@CanyonsLegend
No I recycle. I have kids they get all the leftover talent I don't use and drive me insane.
Holy cow that laser must be doing yoga do be this flexable.
FLEXable
Flexable? Excuse me but learn english
@@sprazex4578 gacha users are bad at spelling
Spraze X I don’t mean to sound aggressive, but they’re still communicating, one spelling error doesn’t make it so the whole sentence suddenly doesn’t make sense anymore.
@@lifespill you're right!
Just for completeness, I'd like to mention that due to diffraction (caused by light being both a wave and a particle) light actually IS capable of moving around corners and not only in a straight line, even without using this material. However, the amount of light that "bends" this way in a normal environment is very minimal, so the effect is not generally noticeable.
Is that why I can see the lensing effect when I look at an object far away through the edge of an object that is just after my eyes?
@@black_crest I'm not sure what you mean by lensing effect, since diffraction from an edge shouldn't change the focus noticeably, though it might warp the image you see. But it sounds to me like you are describing a diffractive effect.
AAH SO MANY PEOPLE THAT UNDERSTAND THIS
@@black_crest Possibly. The lensing effect caused by edge diffraction is not discernible from the lensing effect caused by refraction due to materials with different refractive indices. Radio waves also bend when passing over a sharp edge. Light also bends due to gravity. The bend is not negligible when large distances are involved… scientists have measured the shift in apparent position of stars due to our sun (seen during a solar eclipse) and during the Cold War, India and Russia maintained a radio communication link by aiming a radio wave at the sharp peaks of the Himalayan Mountain range that ordinarily blocked line of sight radio communications and made the laying of copper/fiber cable impractical. The knife edge peaks of the tall mountains gave a signal path similar to a radio wave bounced off the ionosphere, but was not subject to the varying and unreliable height of the ionosphere.
I love your videos! You make them very fun and easy to comprehend! Thank you 😊
Roses are red
Violets are blue
The time you are looking for
Is 8:22
Thanks bro
Thank you for your work
I think you're a poet
in case you don't know it.
Roses are red
Violets are blue
I have 60 likes
Because of all of you
Leo the typicalgamer lmao
I think it's awesome that you still get excited doing experiments you have probably done 100 times before. And then you laugh like you probably did when you were a kid doing experiments at home with your friends. Love your passion and your videos! Thanks 👾
Wow! You just explained Blackholes and Cloaking devices all in one session 👍🏽
Excellent! Thank you for sharing!
Light: Goes in straight line
Me: Tries to bend it
Light: Snaps in half
Me: 0-0
Super hilarious joke
and thats called refraction ;)
Light travels in a straight line path, when connecting a series of points set in an arched pattern, it looks like an arc or bend. It's only connecting the dots.
Lol
👁👄👁
*Proceeds to warp the space-time continuum...*
Why original comments like these don't get more likes? While unoriginal commenters like _Bob McCoy get likes even if they say that's totally unrelated,
Yeah but you'll need more than water and sugar - it's done with a dilution of ethanol. The said delusion proportions may vary between experiments.
*IT'S OVER 9000*
So why does a remark like this get hundreds of upvotes and a heart, while my post pointing out that there is a major error goes almost unnoticed?
@@JohnDlugosz 🤷♂️
Was so cool.. I wish I would have had science teachers like this.. I most definitely would have followed that path.
A sweet straight explanation on density and refraction
You always make Science easy, fun and interesting!
Learning more here on TH-cam than when I was in school. Haha.
Wish you were my science teacher.
Mirage Uchiha same bro I learn almost nothing in Regents science class
Between Codys' Lab, VIPERKEPPER, and here, I'm getting smarter!
VIPERKEPPER is # 1 tho, CODYs' #2, this is #3
What do you mean this guy isn't even using proper laser safety with a 1W laser like that he's lucky he doesn't have permeant eye damage
I know right
Aww
Once theres only
Rock,air,water and fire bender.
But now....
We have light bender!
Well done
If light can be bent if you change the density of the material, cant an airbender change the density of the air so the light can bend?
@@aydengunn957 e
What about dark matter
Reality bender
Thank you for such amazing videos - keep up the good work
Your hands on experiments and explanations are great.
I've seen physicists talking about light slowing down when going through a transparent material. Apparently, what's happening is more complicated than atoms absorbing and emitting photons. It has more to do with light acting as a wave through the material and interference with that wave. It might be more accurate to imagine it as the electrons in the material causing drag on the photons. Like a piece of metal moving past a magnet. Although I'm sure some physicist will have a problem with that explanation as well. I'm probably not describing the process exactly right, but I think it's closer to what is actually going on.
Had to pause the video to find this comment lol. As an armchair physicist, basically yes, the resulting light in the medium is the original incoming photon plus all the electrons being disturbed by, and affecting as a result, the electric field. That all adds up to one composite wave which has a sub-light group speed. Interestingly, the phase speed can be faster than c, that's why you sometimes see articles about a material having faster-than-light properties. But the phase speed doesn't carry any information and doesn't represent the speed of the actual photon.
@@DFPercush Haha, I did the same.
The absorbed photon loses it's momentum, doesn't it? Why would it keep its direction when reemited? It's bad how many people repeat the myths explaining the refraction, so it's nice to see the comments of You two. Here's a video I found when searching for the answer and that I enjoyed: th-cam.com/video/CUjt36SD3h8/w-d-xo.html
The part that follows (@6:18) makes some sense, but is also wrong. Seems the author went with the Fermat principle. Discussed in the follow up video to the one I've posted above: th-cam.com/video/NLmpNM0sgYk/w-d-xo.html
So if there was a specific frequency wave pattern to affect the direction of light(photons), would that make it possible to have physically touchable light?
Or possible to manipulate a collective bunch of photons together as a hologram?
(Still learning, if I sound off correct me please lol)
@@Doriedejai I assume you mean solid light, since all light is physically touchable. And to answer that, I don't think so. No frequency of waves in water or air makes them solid enough to press without passing through.
@@DFPercush I thought I was keeping up until you lost me at phase speed.
Wait so
You're telling us that we could make an invisibility cloak by introducing a temperature gradient into the fluid medium around us?
What a load of hot air
Someone kind of has
@@k90v85 Are you sure a part of my comment isn't invisible to you?
@@jimshepherd6500 Who are you replying to? I can’t see them from here.
Wouldn’t say invisibility, more like cloaking.
@@joebidet698 yeah invisibility cloaking
Awesome, I did not expect the effect to be so prominent, this is just a crazy good visualisation.
Really good visualization of how light curves around a black hole
The action lab: teaches you how to bend light at home
Schools: well lava is called magma when underground
BananaGamer XD yes just es
Yes*
No I think it also has something to do with the fact that magma is also solid because of the pressure that is generated underground.
@@nekihrvat1417
Have you ever understood a joke, Captain Obvious?
@@Mike-lx9qn You missed my point idiot.
You can't see me.
-Said by Action Lab
thisisnotfunny
He is John Cena confirmed
Fortnite suggz
Y'kno what'a mean
Ooh SpOoKy LitLe SKelEtOn
7:40 Into of material and showcase. Most Welcome :)
The best one, I can remember! Even better, because I’ve Re-learned/remembered enough from my 45 year-stale education, and his vids, and continuous learning and Re-learning/reminding, that I figured it out from the instant I saw it! Ocam’s Razor DOES apply to educated off-hand knee-jerk guessing, y’all! NEVER forget THAT!
Me: OMG, what possible thing can bend light? I think it must be really expensive.
The action lab: I use sugar and water
Me:Oh frick
Bro in the slowed down laser vid i thought it waz gonna be somtheng expansive to (also join my group in roblox )
Roman Griffith why are u advertising yourself
Roman Griffith ON TH-cam
Roman Griffith what is it
@@thefirebeanie5481 what the heck who even knows your roblox profile
_Light Has left the chat_
Bent*
Early
*Newton has left the chat*
Exactly. I have dark mode on.
Lol
Finally a better explanation of refraction! Tysm
The fact that we having to explain basic concept to adults is truly amazing.
Dislikes are from Jedis from Star Wars because we found out how to beat protosaber
Underrated
Younglings: "Curved lightsabers! Cool!!!!"
🙂
R.I.P joke
there are no more dislikes bud
God: oh no i missed a glitch
Edit: The glitch has been patched we're good.
Or added too detailed physics
Will be coreected in the nxt update😅😂😂
@@leninabraham5541 oh nice 😀😁
Version 2.0.2.1 light bend fix
(Hopefully) covid removed
You may or may not be the funniest human being
Wow it really works the experiment of bending of light. I never thought about this that light can bend and get slower in denser medium and this could bend the light. I won't ever understand this if you were not her uploading such informative videos. Thank you a lot
I was taught (many years ago) a photon has no mass that's the only way it can travel as fast as it does. No mass = no momentum. But yes you are bending light. If you change the pressure in the whole volume would this change the bending angle ? Modulate with sound to scan ? Interesting. Great work.
0:17 Calm down John Cena...
I always said that seeing the sky on the road just meant the map hadn't rendered in yet. 😜
xd
:D
Nice ✋
@Naruto Dbz 😁 Ya figured me out.
Kind of roblox reffrence
There's a special weather condition where I live, in Munich, Bavaria, called the "Föhn". On those beautiful sunny days the light coming from the Alps is bent in a way which makes them appear very near and really huge. Some people even believe the city to be right next to the mountain range after having seen photos from Föhn days, but actually it is about 80 kilometers away.
That would be interesting to use with PV cells to determine if the output would increase. In a cylinder it would also capture light from multiple angles and bend it downward.
Wonderful video mate!
me: bends light
my fbi agent: 👁👄👁
FBI agent: tell me how did you do that did you hacked the world
Some Friendly Spam Comrades-th-cam.com/video/knGQCFb4vM8/w-d-xo.html
@@heinzdoofenshmirtz3816 comrades??
@@jazepol I am definitely not Russian ;)
Action lab: light always moves in a straight line
me: yep
Action lab: now I will bend it
Me: so what's you're point Mr.lab
Mr Lab : *THE CREATION OF LIGHTBENDERS*
My brain just exploded! 🤯 This is amazing and wonderful. Thanks for sharing it with us. 🫂
Cool experiments! Near the end of your video, you showed a picture of a mirage, due to a temperature inversion. Well! There's another property of temperature inversions that I've only seen once outdoors. At U of I in Champaign-Urbana I loved to take long bike rides in the flat country. It was hot, and sunny but there was no breeze. I looked to the side and the soybean plants were being blown by a strong wind in a circular pattern. There was a powerful vortex (a "dust devil"). Dust and dry leaves were being sucked upwards for more than 500 to 800 feet. I understand the basic idea of a vortex; somehow .the hot air at the ground punctured through the layer of air and began spinning, but I never saw a stationary dust devil before; it didn't move at all during the half hour I watched. This might be put to a practical use if a dark cone was built, with hot air being drawn through ducts to a central column with a wind turbine generator at the top
10:18 is when a Flat Eather’s head explodes
It proves the earth is flat! ;)
@@davydiver NO, NO GOD PLS NO, NOOOOOOOOOOOOOOOOOOOO!!!!!!
@@nescaubr5960 😉
This comment needs more likes. 👍
Lol
Ive actually learnt more watching your videos than i ever did in school! Keep up the great work!
Very well explained!
This has been very informative and I definitely need to try this for gardening. Capturing more sun for my plants is a great thing. Might need to make some sugar water containers to collect some sun as it passes through the day or something lol
You'll also capture heat. It may help, but depending on how much light/heat the plants are already getting, you could damage the plants.
P.S.: Sugar water will probably absorb more light than it concentrates. A lens or mirror may be more effective.
0:17 Him: you can't see me right now
Superman: hi there genius
I see ur body
You are also sending the light just above it's critical angle for those materials(form sugar to water). At critical angle the light goes straight with the boundary between two materials(here sugar and water).But if the angle of incidence is larger than critical angle then the light doesn't go to the material which have lower refractive index(here water),totally comes back to the material which have much refractive index.This phenomenon is called Total Internal Refraction. Based on this concept optical fibers are made.
I am 32 years old and I finally got an explanation of how mirages are created! Thank you! 🙌🏼
I love your videos!
Very cool explanation! Love the mirage explanation at the end as well
After the video. My brain was like.
Ahhhhhhhhhhhhhhhhhhhhhhhhhh
What!
You mean "NANIIIIIIII?!?!?!!?!?"
No he meant mummy lol
Put a pencil in a glass of water and see what it looks like. It should look bigger because the light is being bended as it goes through the water
You dont need science classes when you subscribe to "The Action Lab"
*Less experiment more science class*
Perfect video! Thanks!
bot.
@The Action Lab
Great show. Thank you.
Did you have sugar water mixed when you was using the Lazer and demonstrating how light bends down at the bottom.?
How much was your mixture ratio.?
Thank you.
12:34 I used to always wonder why on hot days it looked like there was water on the road but as I got close it went away
That random dollar at 11:24 tho! Haha happy Valentine’s Day!
This is the best channel by far !!! 👍🏻🇲🇽🙋🏻♂️
Very good explenation!!!
I loved the use of sugar to create that dense layer...
Very intelligent 🧠🤓!!
This is fake , the light was a paid actor
Did u got pinned.
I don't think so
xD
No it's real, that's why the earth is flat.
Obviously I'm kidding but just imagine how many flat earthers are going to use this has proof that earth is flat... GOD, help us, kill all flat earthers for the sake of humanity
LoL , like one video I saw , prooving "Earth is flat with doppler's effect" , I laughed at that , I never understood what these flat earthers think ..
yes, l want the easiest right answer :) loved it! Great video and very interesting!
Brilliantly explained. I’m a first time watcher. I shared, liked and subscribed
Great video! I found myself unconsciously leaning forward towards my monitor and dropping my jaw! I'm going to be thinking about this for years
If oy you were my science teacher... I would never skip a class of yours
Plot Twist:
"So, how to bend light?" Opens photoshop...
Excelente clase de física sobre el comportamiento de los rayos de luz. Gracias.
At sea a mirage can appear as both diverging light upwards and diverging light downwards. This can actually give the phenomenon of looking over the horizon, further than what you otherwise would see! I've also seen mirage that have two different transients from the surface, making ships look flipped upside down and other weird appearances. Mirages are cool.
What was that dollar doing there 11:23.
and that little orange piece of rope :D
dollar had a bet light wont bend😂
The bill is lying on a smooth countertop and it still has a slight bend from when it was rolled up... you should be able to figure out the rest. 😜
he was flexing on us
@@joeryvandamme5732 thats red😂😂
god: @everyone we have completed bug fixes! Sorry for the long delay!
- the universe is no longer black (added skybox
- Light doesn't bend anymore
- nerfed humans
- removed technology
I am sorry for the dissapointment, but humans weren't supposed to be that buffed. It's a glitch in the evolution script
Don't worry mosquitoes are a good counter to humans
Lmaoo🤣🤣🤣🤣
okay but it kinda sucks that you guys nerfed humans with the covid 19 patch why cant you just make us dumber
LOVE IT♥️🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣
@HTD Cubing lmao
I have to disagree. I was watching
some light back in the early 2000s, movin along in a straight line per usual when out of nowhere it just turned left . Craziest thing I’ve ever seen.
One of your best videos.
So can you make an invisibility cloak by creating an air density gradient around you?
Yes, but it would be harder than you think. Plus you would need a material that bends it how you want it, so you are invisible. Meaning you wouldn't be ivisible from some angles
You'll have to leave your eyes visible and opaque unless you want to be blind.
Your videos are always sooooo interesting!!!
Edit: 11 likes!! thank you everyone for liking this :)
Great vid, love your channel.
damn guys - this amazing work!!!! this what i wanted for all my life - to see that we can curve the light!!!!!!!!! amzing work)) optics is fantastic
I want this person to be my science teacher in school 🤩
so something flat looks curved because of a difference in density of the medium in which the light is traveling through. So if the earth was flat, would the difference in air density affect the light traveling through the air making us see curvature?
This guy always gets me ..
The suspense was incredible :D
bott
so I don't know if anyone else noticed this but the way it bends light in the backround is EXACTLY like what happens with a black hole and this could potentially help us understand how blackholes affect light
Thanks a lot for this cool video! Love it!
One question: reg comment af 6:14 “light takes least time between two points”.
I heard this explanation but find it hard to believe, because how does light know when it leaves that it will hit a material with higher density?!
Do you have an alternative way of looking at this? - thanks! :)
When he said that, I understood it as "path of least resistance".
I think he confused cause with effect. The light doesn't bend because it wants to travel the shortest time. The light bends because of some other phenomenon, but we can use the geometrical crutch he presented to calculate it's path. Also, his geometrical crutch only works if P and Q are at the same distance from the plane connecting material n1 and n2.
John cena : u can't see me
Light : bends
Hi, could you please put a link to the video you mentioned within this video of how you turned a reflector by using light. Thank you.
Really awesome experiments and explanations. About the mirage: I knew that it has something todo with the hot air above the road. But I thought it is a "reflection" (straight in, straight out), I didn't know that the light was "bent" (or is this basically the same?). So maybe you can do a follow up about "reflections"? Additionally: sunglasses with polarisation filters can filter away mirages, so what exactly causes the light from the mirage to be polarised? Thank you 🙂
Tip: play this video at 1.25x speed
Thank me later
He's blinking every second
wow that’s sick 😮 were you just like messing with the speeds and you found out or what
nervous he sounds so
Nervous, he ain't! Blinking, blink blink! 😁
Why would I watch it slower? I watch his videos at 1.5x to 2x xD
@@sebastianjostThat isn’t slower that should be faster than your normal amount
The Action Lab: you cant see me
The Action Lab: cause of the block
me: or maybe your just standing so still
No, I think that's Drax
Dude. How long have you been standing there?
The Action Lab: 6 seconds
Drax: 1 hour
You do realize I can see both of you right now, right? All you did was put a block over your face or stand still.
Thanks for your interesting videos !
Ahh!! A question from JEE ADVANCED preparation where refractive index changes with distance and we are asked to find equation of trajectory of the light if it enters at a grazing angle.