Crazy Material That You Can Make at Home That Actually Bends Light!

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  • Опубліковано 13 лют 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!
    Follow me on Twitter: / theactionlabman
    Facebook: / theactionlabrat
    Instagram: / therealactionlab
    My Other Channel:
    / @actionlabshorts
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КОМЕНТАРІ • 4,3 тис.

  • @zeircei
    @zeircei 3 роки тому +889

    Light: *bends downwards*
    Light: "I swear this doesn't happen often."

  • @AyushRaj
    @AyushRaj 3 роки тому +1342

    He is the Science Teacher we wanted but never had

  • @Nobrezando
    @Nobrezando 3 роки тому +64

    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.

  • @VdonnyV
    @VdonnyV 3 роки тому +49

    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.

  • @Krius69
    @Krius69 5 років тому +954

    "Alright guys so light travels in a straight line."
    bends light

    • @A68AGaming
      @A68AGaming 5 років тому +5

      Lol ya

    • @thepetrolhead55
      @thepetrolhead55 5 років тому +24

      Light: Am I a joke to you?

    • @mr.random9239
      @mr.random9239 5 років тому +14

      @@thepetrolhead55 wait god created light and he is light so if light is a joke isn't god a joke
      *BLASPHEMY THIS IS MADNESS*

    • @thepetrolhead55
      @thepetrolhead55 5 років тому +8

      @@mr.random9239 CONFUSED SCREAMING

    • @KILLRXNOEVIRUS
      @KILLRXNOEVIRUS 4 роки тому +1

      @Yann cedric Totsingan ikr

  • @worldmapping4895
    @worldmapping4895 5 років тому +2181

    "so what did you do this weekend?"
    "i uh, i bent light"
    "what"
    edit: shut up ive heard "hes not bending it" 6 times

  • @CrownedNovella992
    @CrownedNovella992 3 роки тому +664

    The action lab: "So i found a weird glitch that can bend light"
    Angels: *REPORT BUG*

  • @user-pu5qe7qx7f
    @user-pu5qe7qx7f 3 роки тому +157

    How to bend light:
    Step one: make a star or black hole

    • @user-pu5qe7qx7f
      @user-pu5qe7qx7f 3 роки тому +11

      Step two: Done. Objects with a lot of mass can bend the light around them.

    • @dayone3363
      @dayone3363 3 роки тому +13

      @@user-pu5qe7qx7f need further instructions i am completly stuck in the singularity of the black hole and theres no light at all here. Help

    • @hritviknijhawan1737
      @hritviknijhawan1737 3 роки тому +11

      @@dayone3363 seems like there are good network connections in singularities, no worries now

    • @hritviknijhawan1737
      @hritviknijhawan1737 3 роки тому +1

      @U w U Caution: Go away before the Star forms. Otherwise too late.

    • @hritviknijhawan1737
      @hritviknijhawan1737 3 роки тому +3

      @U w U Note: If your star turns into a Black Hole, better luck next time.

  • @BobMcCoy
    @BobMcCoy 5 років тому +579

    *Lightbenders: **_am I a joke to you?!_*

    • @albithomas5707
      @albithomas5707 5 років тому +4

      Hmm Justin y

    • @mbk0mbk
      @mbk0mbk 5 років тому +5

      I thought the last air bender was a joke.

    • @adan4905
      @adan4905 5 років тому +2

      _Bob McCoy YOU, ARE, EVERYWHERE,

    • @yashaswinarayana7648
      @yashaswinarayana7648 5 років тому +2

      Finally someone who speaks English...

    • @Cosmic_777
      @Cosmic_777 5 років тому +2

      Lightsabers

  • @jasperweaver3563
    @jasperweaver3563 5 років тому +550

    This is one of the coolest light experiments I've ever seen. When the camera was below the counter.. this is cool. Thanks man!

  • @kevinmartin7760
    @kevinmartin7760 2 роки тому +60

    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.

    • @primonomeultimonome
      @primonomeultimonome 2 роки тому +3

      And that's where the flat earth scam started.

    • @wideawake2814
      @wideawake2814 Рік тому +1

      @@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.

    • @primonomeultimonome
      @primonomeultimonome Рік тому +2

      @@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.

    • @wideawake2814
      @wideawake2814 Рік тому

      @@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.

    • @primonomeultimonome
      @primonomeultimonome Рік тому

      @@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.

  • @scientium8770
    @scientium8770 3 роки тому +42

    The Action Lab: Proof that light travels in a straight line
    Again him: Proceeds to be *John Cena*

  • @mcgman3944
    @mcgman3944 4 роки тому +2555

    Light: Goes in straight line
    Me: Tries to bend it
    Light: Snaps in half
    Me: 0-0

    • @83abhinavnigam
      @83abhinavnigam 4 роки тому +52

      Super hilarious joke

    • @christophergregory9425
      @christophergregory9425 4 роки тому +87

      and thats called refraction ;)

    • @grandpied
      @grandpied 4 роки тому +26

      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.

    • @dannyphofficial7242
      @dannyphofficial7242 4 роки тому +2

      Lol

    • @blueberry7129
      @blueberry7129 4 роки тому +5

      👁👄👁

  • @bigboy6704
    @bigboy6704 5 років тому +681

    You should do a video on how much fire weighs

    • @buttergraffiondorito6586
      @buttergraffiondorito6586 5 років тому +39

      But isn’t fire just... heated gas? Idk, maybe I’m just dumb and need to watch more action lab?

    • @ren6140
      @ren6140 5 років тому +55

      Fire is really nothing, just energy.

    • @PratyayDey
      @PratyayDey 5 років тому +25

      @@ren6140 you are correct. IMO Fire should not weigh anything.

    • @sandramorrison99
      @sandramorrison99 5 років тому +4

      Fire?

    • @bigboy6704
      @bigboy6704 5 років тому +7

      idk just figure convection may make a change in weight, and I'm sure he could.make ot interesting

  • @baerdred
    @baerdred 2 роки тому +12

    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.

    • @black_crest
      @black_crest Рік тому

      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?

    • @baerdred
      @baerdred Рік тому

      @@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.

    • @Fuzzy1528
      @Fuzzy1528 Рік тому

      AAH SO MANY PEOPLE THAT UNDERSTAND THIS

    • @petep.2092
      @petep.2092 4 місяці тому

      @@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.

  • @Kriegter
    @Kriegter 3 роки тому +36

    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

    • @lyssix6203
      @lyssix6203 3 роки тому +1

      Don't worry mosquitoes are a good counter to humans

    • @farzanehsafary2295
      @farzanehsafary2295 3 роки тому

      Lmaoo🤣🤣🤣🤣

    • @HillBilly_Urbex
      @HillBilly_Urbex 3 роки тому

      okay but it kinda sucks that you guys nerfed humans with the covid 19 patch why cant you just make us dumber

    • @cl759
      @cl759 3 роки тому

      LOVE IT♥️🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣

    • @HillBilly_Urbex
      @HillBilly_Urbex 2 роки тому

      @HTD Cubing lmao

  • @loku543
    @loku543 5 років тому +2731

    Roses are red
    Violets are blue
    The time you are looking for
    Is 8:22

    • @dominicsurette2890
      @dominicsurette2890 5 років тому +46

      Thanks bro

    • @Jonathan1002887
      @Jonathan1002887 5 років тому +30

      Thank you for your work

    • @motnosniv
      @motnosniv 5 років тому +68

      I think you're a poet
      in case you don't know it.

    • @loku543
      @loku543 5 років тому +136

      Roses are red
      Violets are blue
      I have 60 likes
      Because of all of you

    • @HondaJazz808
      @HondaJazz808 5 років тому +11

      Leo the typicalgamer lmao

  • @sircarnage05yt16
    @sircarnage05yt16 4 роки тому +388

    The action lab: teaches you how to bend light at home
    Schools: well lava is called magma when underground

    • @glitchdinvr4248
      @glitchdinvr4248 3 роки тому +1

      BananaGamer XD yes just es

    • @glitchdinvr4248
      @glitchdinvr4248 3 роки тому

      Yes*

    • @nekihrvat1417
      @nekihrvat1417 3 роки тому +3

      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.

    • @Mike-lx9qn
      @Mike-lx9qn 3 роки тому +6

      @@nekihrvat1417
      Have you ever understood a joke, Captain Obvious?

    • @nekihrvat1417
      @nekihrvat1417 3 роки тому +6

      @@Mike-lx9qn You missed my point idiot.

  • @rbfreitas
    @rbfreitas 2 роки тому +1

    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!

  • @TheMR-777
    @TheMR-777 3 роки тому +13

    7:40 Into of material and showcase. Most Welcome :)

  • @jimshepherd6500
    @jimshepherd6500 3 роки тому +323

    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

    • @k90v85
      @k90v85 3 роки тому +8

      Someone kind of has

    • @jimshepherd6500
      @jimshepherd6500 3 роки тому +25

      @@k90v85 Are you sure a part of my comment isn't invisible to you?

    • @nathanoher4865
      @nathanoher4865 3 роки тому +23

      @@jimshepherd6500 Who are you replying to? I can’t see them from here.

    • @JoeKurr5
      @JoeKurr5 2 роки тому +5

      Wouldn’t say invisibility, more like cloaking.

    • @joshuadougherty8077
      @joshuadougherty8077 2 роки тому +5

      @@JoeKurr5 yeah invisibility cloaking

  • @Ali107
    @Ali107 5 років тому +477

    *Proceeds to warp the space-time continuum...*

    • @milkywegian
      @milkywegian 5 років тому +7

      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,

    • @mireazma
      @mireazma 5 років тому +1

      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.

    • @MLblackout
      @MLblackout 5 років тому +3

      *IT'S OVER 9000*

    • @JohnDlugosz
      @JohnDlugosz 5 років тому +2

      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?

    • @Ali107
      @Ali107 5 років тому +1

      @@JohnDlugosz 🤷‍♂️

  • @beautifulsmall
    @beautifulsmall 3 роки тому +4

    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.

  • @UtkarshKothari
    @UtkarshKothari 3 роки тому +32

    Plot Twist:
    "So, how to bend light?" Opens photoshop...

  • @TerryProthero
    @TerryProthero 4 роки тому +156

    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.

    • @DFPercush
      @DFPercush 4 роки тому +19

      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.

    • @MCMaterac
      @MCMaterac 3 роки тому +7

      @@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: ua-cam.com/video/CUjt36SD3h8/v-deo.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: ua-cam.com/video/NLmpNM0sgYk/v-deo.html

    • @Doriedejai
      @Doriedejai 3 роки тому +1

      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)

    • @thewanderingmistnull2451
      @thewanderingmistnull2451 3 роки тому +1

      @@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.

    • @boobylinks
      @boobylinks 3 роки тому

      @@DFPercush I thought I was keeping up until you lost me at phase speed.

  • @Ivanovichx
    @Ivanovichx 5 років тому +305

    He blinked 116 times in the first 1min and 20 secs. That's without counting the times he blinked behind the white panel

    • @GauravSharma-dy8xv
      @GauravSharma-dy8xv 5 років тому +16

      Pretty obvious to blink 100 times in 13 minutes but that's insane

    • @aaronmackay6123
      @aaronmackay6123 5 років тому +10

      And yet we are all still here and the world didn't explode.

    • @aaronmackay6123
      @aaronmackay6123 5 років тому +3

      @CanyonsLegend
      You're right I'm more talented. I poop ice cream and ride a unicorn with a dildo horn into the skittles rainbow.

    • @aaronmackay6123
      @aaronmackay6123 5 років тому +2

      @CanyonsLegend
      Not in Satan's agenda sorry.

    • @aaronmackay6123
      @aaronmackay6123 5 років тому

      @CanyonsLegend
      No I recycle. I have kids they get all the leftover talent I don't use and drive me insane.

  • @jmac430
    @jmac430 2 роки тому

    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

  • @jojotrapp412
    @jojotrapp412 3 роки тому +3

    I love your videos! You make them very fun and easy to comprehend! Thank you 😊

  • @typicaluser3884
    @typicaluser3884 5 років тому +349

    You can't see me.
    -Said by Action Lab

  • @takemo_
    @takemo_ 5 років тому +258

    Once theres only
    Rock,air,water and fire bender.
    But now....
    We have light bender!

    • @aydengunn957
      @aydengunn957 5 років тому +5

      Well done

    • @user-pt9jw6ib4h
      @user-pt9jw6ib4h 4 роки тому +13

      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?

    • @cliffkwong4785
      @cliffkwong4785 4 роки тому

      @@aydengunn957 e

    • @iwbmo
      @iwbmo 4 роки тому +1

      What about dark matter

    • @lemonenjoyer6410
      @lemonenjoyer6410 3 роки тому

      Reality bender

  • @jimhsan1
    @jimhsan1 3 роки тому +1

    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

  • @kentaltobelli1840
    @kentaltobelli1840 5 днів тому

    Density gradients also affect acoustic propogation in the ocean, represented by a "sound-speed profile" that varies by depth. Sounds converges toward a certain depth because the surface is warm while the deep ocean is cool and higher salinity.

  • @d3rbi264
    @d3rbi264 4 роки тому +609

    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

    • @thefirebeanie5481
      @thefirebeanie5481 4 роки тому +3

      Bro in the slowed down laser vid i thought it waz gonna be somtheng expansive to (also join my group in roblox )

    • @TheRobotGamer7
      @TheRobotGamer7 3 роки тому +4

      Roman Griffith why are u advertising yourself

    • @TheRobotGamer7
      @TheRobotGamer7 3 роки тому +2

      Roman Griffith ON UA-cam

    • @frx1223
      @frx1223 3 роки тому +1

      Roman Griffith what is it

    • @Enchantedtinyfriend
      @Enchantedtinyfriend 3 роки тому +2

      @@thefirebeanie5481 what the heck who even knows your roblox profile

  • @asahich.2219
    @asahich.2219 5 років тому +232

    Holy cow that laser must be doing yoga do be this flexable.

    • @bRUhlomeS
      @bRUhlomeS 5 років тому +2

      FLEXable

    • @sprazex4578
      @sprazex4578 5 років тому +1

      Flexable? Excuse me but learn english

    • @Jun.Suzuki
      @Jun.Suzuki 5 років тому +1

      @@sprazex4578 gacha users are bad at spelling

    • @lifespill
      @lifespill 4 роки тому +3

      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.

    • @noelradhakrishnan4423
      @noelradhakrishnan4423 4 роки тому

      @@lifespill you're right!

  • @NeovanGoth
    @NeovanGoth 3 роки тому

    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.

  • @markrhoads9283
    @markrhoads9283 Рік тому

    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!

  • @PentaromaLMA0
    @PentaromaLMA0 4 роки тому +842

    God: oh no i missed a glitch
    Edit: The glitch has been patched we're good.

    • @andricode
      @andricode 3 роки тому +31

      Or added too detailed physics

    • @leninabraham5541
      @leninabraham5541 3 роки тому +37

      Will be coreected in the nxt update😅😂😂

    • @leviticus3000
      @leviticus3000 3 роки тому +10

      @@leninabraham5541 oh nice 😀😁

    • @slayerofmelons9510
      @slayerofmelons9510 3 роки тому +25

      Version 2.0.2.1 light bend fix
      (Hopefully) covid removed

    • @stevethepro4761
      @stevethepro4761 3 роки тому +3

      You may or may not be the funniest human being

  • @suborgtfo.4433
    @suborgtfo.4433 5 років тому +597

    _Light Has left the chat_

  • @Kankabar
    @Kankabar 3 роки тому

    Awesome, I did not expect the effect to be so prominent, this is just a crazy good visualisation.

  • @rod3134
    @rod3134 2 роки тому +3

    Wow! You just explained Blackholes and Cloaking devices all in one session 👍🏽

  • @MirageUchiha
    @MirageUchiha 5 років тому +213

    You always make Science easy, fun and interesting!
    Learning more here on UA-cam than when I was in school. Haha.
    Wish you were my science teacher.

    • @stanleychen2584
      @stanleychen2584 5 років тому +4

      Mirage Uchiha same bro I learn almost nothing in Regents science class

    • @sandramorrison99
      @sandramorrison99 5 років тому +1

      Between Codys' Lab, VIPERKEPPER, and here, I'm getting smarter!
      VIPERKEPPER is # 1 tho, CODYs' #2, this is #3

    • @thisissusomlfrfr2866
      @thisissusomlfrfr2866 4 роки тому +1

      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

    • @eaglescout9137
      @eaglescout9137 4 роки тому +1

      I know right

    • @cliffkwong4785
      @cliffkwong4785 4 роки тому +1

      Aww

  • @TALKINGtac0
    @TALKINGtac0 5 років тому +60

    12:34 when you're lagging so hard the road doesn't even load in

  • @chaoslord_6664
    @chaoslord_6664 3 роки тому +2

    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

  • @AZAce1064
    @AZAce1064 3 роки тому +1

    At 2:15 you prove light moves in a straight line when you placed your marker in front of the light and moved it while drawing.👍

  • @snakebyt82
    @snakebyt82 4 роки тому +37

    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 👾

  • @headlessgorilla869
    @headlessgorilla869 5 років тому +75

    0:17 Calm down John Cena...

  • @ryanlebeck259
    @ryanlebeck259 Рік тому +1

    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!

  • @thomaskennison1417
    @thomaskennison1417 2 роки тому +1

    The fact that we having to explain basic concept to adults is truly amazing.

  • @adrianoperotti643
    @adrianoperotti643 4 роки тому +422

    Dislikes are from Jedis from Star Wars because we found out how to beat protosaber

  • @user_hat
    @user_hat 3 роки тому +264

    me: bends light
    my fbi agent: 👁👄👁

    • @itsjosh6347
      @itsjosh6347 3 роки тому +1

      FBI agent: tell me how did you do that did you hacked the world

    • @heinzdoofenshmirtz3816
      @heinzdoofenshmirtz3816 3 роки тому

      Some Friendly Spam Comrades-ua-cam.com/video/knGQCFb4vM8/v-deo.html

    • @jazepol
      @jazepol 3 роки тому

      @@heinzdoofenshmirtz3816 comrades??

    • @heinzdoofenshmirtz3816
      @heinzdoofenshmirtz3816 3 роки тому

      @@jazepol I am definitely not Russian ;)

  • @RockstaA-jy9wq
    @RockstaA-jy9wq 2 роки тому +1

    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

  • @Odinfang
    @Odinfang 2 роки тому

    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

    • @petep.2092
      @petep.2092 4 місяці тому

      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.

    • @petep.2092
      @petep.2092 4 місяці тому +1

      P.S.: Sugar water will probably absorb more light than it concentrates. A lens or mirror may be more effective.

  • @ItsLadyJadey
    @ItsLadyJadey 5 років тому +189

    I always said that seeing the sky on the road just meant the map hadn't rendered in yet. 😜

  • @goitegi
    @goitegi 5 років тому +87

    10:18 is when a Flat Eather’s head explodes

    • @davydiver
      @davydiver 5 років тому +7

      It proves the earth is flat! ;)

    • @nescaubr5960
      @nescaubr5960 5 років тому +5

      @@davydiver NO, NO GOD PLS NO, NOOOOOOOOOOOOOOOOOOOO!!!!!!

    • @davydiver
      @davydiver 5 років тому +1

      @@nescaubr5960 😉

    • @750kv8
      @750kv8 4 роки тому +1

      This comment needs more likes. 👍

    • @KILLRXNOEVIRUS
      @KILLRXNOEVIRUS 4 роки тому +1

      Lol

  • @WTFidontknow1
    @WTFidontknow1 3 роки тому +16

    “You can’t see me right now”
    **John Cena would like to know your location**

  • @MVE200
    @MVE200 2 роки тому +1

    Really good visualization of how light curves around a black hole

  • @lizard_ow7145
    @lizard_ow7145 5 років тому +38

    Action lab: light always moves in a straight line
    me: yep
    Action lab: now I will bend it

    • @mr.random9239
      @mr.random9239 5 років тому

      Me: so what's you're point Mr.lab

    • @cliffkwong4785
      @cliffkwong4785 4 роки тому

      Mr Lab : *THE CREATION OF LIGHTBENDERS*

  • @mightyhawk1841
    @mightyhawk1841 5 років тому +4

    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.

  • @Bergondora
    @Bergondora Рік тому

    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.

  • @maverick744
    @maverick744 2 роки тому +2

    Was so cool.. I wish I would have had science teachers like this.. I most definitely would have followed that path.

  • @farooquemotorsfarooque6040
    @farooquemotorsfarooque6040 4 роки тому +11

    0:17 Him: you can't see me right now
    Superman: hi there genius

  • @Kakanics
    @Kakanics 5 років тому +1675

    This is fake , the light was a paid actor

    • @suborgtfo.4433
      @suborgtfo.4433 5 років тому +7

      Did u got pinned.

    • @Kakanics
      @Kakanics 5 років тому +4

      I don't think so

    • @panzerofthelake4460
      @panzerofthelake4460 5 років тому +9

      xD

    • @diogonunes1865
      @diogonunes1865 5 років тому +37

      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

    • @Kakanics
      @Kakanics 5 років тому +10

      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 ..

  • @briancs5884
    @briancs5884 2 роки тому

    Excellent! Thank you for sharing!

  • @HoboBonobo
    @HoboBonobo Місяць тому

    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.

  • @kaush5317
    @kaush5317 5 років тому +41

    After the video. My brain was like.
    Ahhhhhhhhhhhhhhhhhhhhhhhhhh
    What!

    • @cliffkwong4785
      @cliffkwong4785 4 роки тому +1

      You mean "NANIIIIIIII?!?!?!!?!?"

    • @xdkrazycamy7978
      @xdkrazycamy7978 4 роки тому +1

      No he meant mummy lol

    • @yum396
      @yum396 4 роки тому

      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

  • @PhysicsBro-xb8qx
    @PhysicsBro-xb8qx 5 років тому +85

    This is because of refraction of light

  • @justchecking905
    @justchecking905 Рік тому +1

    This is why a high power laser beam, one intense enough to heat the air as it passes through, will bend upwind into the cooler more dense air. The wind has to be very low speed - 4 mph of less - for this effect to happen. I have seen it personally with a 100 kW CO2 laser and may be the first one to ever capture it on video. This was in about 1972 at the Kirtland AFB Sandia Optical Range. The laser was a CW gas dynamic laser.

  • @georgenyvlt6202
    @georgenyvlt6202 Рік тому

    I am 32 years old and I finally got an explanation of how mirages are created! Thank you! 🙌🏼
    I love your videos!

  • @3k.eightyone
    @3k.eightyone 5 років тому +4

    Ive actually learnt more watching your videos than i ever did in school! Keep up the great work!

  • @zaahidmuhammed207
    @zaahidmuhammed207 3 роки тому +7

    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

  • @Boooommerang
    @Boooommerang Рік тому

    Perfect video! Thanks!

    • @Skivv5
      @Skivv5 9 місяців тому

      bot.

  • @uksuperrascal
    @uksuperrascal 3 роки тому +2

    A sweet straight explanation on density and refraction

  • @jaheshchouhan3458
    @jaheshchouhan3458 5 років тому +40

    What was that dollar doing there 11:23.

    • @joeryvandamme5732
      @joeryvandamme5732 5 років тому +7

      and that little orange piece of rope :D

    • @tanav8027
      @tanav8027 5 років тому +12

      dollar had a bet light wont bend😂

    • @mortlet5180
      @mortlet5180 5 років тому +3

      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. 😜

    • @skillz6067
      @skillz6067 5 років тому +3

      he was flexing on us

    • @whysoserious1150
      @whysoserious1150 5 років тому

      @@joeryvandamme5732 thats red😂😂

  • @legendrag8639
    @legendrag8639 4 роки тому +34

    Tip: play this video at 1.25x speed
    Thank me later
    He's blinking every second

    • @rathinseth2528
      @rathinseth2528 3 роки тому +1

      wow that’s sick 😮 were you just like messing with the speeds and you found out or what

    • @anim8dideas849
      @anim8dideas849 3 роки тому

      nervous he sounds so

    • @A4Aurum
      @A4Aurum 3 роки тому

      Nervous, he ain't! Blinking, blink blink! 😁

    • @sebastianjost
      @sebastianjost 3 роки тому

      Why would I watch it slower? I watch his videos at 1.5x to 2x xD

    • @animan-264
      @animan-264 2 роки тому

      @@sebastianjostThat isn’t slower that should be faster than your normal amount

  • @PAIN166
    @PAIN166 2 роки тому

    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 🙂

  • @danielbarreiro8228
    @danielbarreiro8228 2 роки тому +1

    An example of bending light that you didn't mention and it doesn't seem to have been mentioned here in the comments is optical fibers. Though the original fiber optic strands worked by a sharp change in the refraction index in between the two types of glass that made the fiber, which produced a total reflection like in a mirror, the most modern ones use a single type of glass diffused with dopants to change its refraction index gradually so that the light is bend towards the center of the fiber instead of reflected on its walls. It is a better solution because with the old fibers, the paths taken by light going straight through the center and that bouncing at angles on the interior walls was widely different. This meant that the pulses of light, the ones and zeros, got spread over the length of the fiber as the leading and trailing edges of the light pulses reach the other end at different times depending on the path they took. On the current fibers, the light tends to get more focused towards the center path instead of getting continuously bounced about.

  • @aaronking2020
    @aaronking2020 5 років тому +25

    The Action Lab: you cant see me
    The Action Lab: cause of the block
    me: or maybe your just standing so still

    • @ShadowKnight5204
      @ShadowKnight5204 5 років тому +2

      No, I think that's Drax

    • @greatduck5297
      @greatduck5297 5 років тому +1

      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.

  • @chillboykamaal3941
    @chillboykamaal3941 3 роки тому +7

    John cena : u can't see me
    Light : bends

  • @TBoneProductionsVB
    @TBoneProductionsVB 3 роки тому

    I'm a photographer and designer and have been dreaming of ways we can incorporate and take advantage of these physics in light emitting and light gathering equipment. In a way the lenses already do use a few of these methods but I think there are some gases or fluids we could manipulate in a way that allows us to effectively control the shape of it as a lens element.

  • @juanp1000000
    @juanp1000000 3 роки тому +2

    My brain just exploded! 🤯 This is amazing and wonderful. Thanks for sharing it with us. 🫂

  • @prajalmaharjan368
    @prajalmaharjan368 5 років тому +5

    You dont need science classes when you subscribe to "The Action Lab"
    *Less experiment more science class*

  • @TechNextLetsGo
    @TechNextLetsGo 5 років тому +10

    So can you make an invisibility cloak by creating an air density gradient around you?

    • @A68AGaming
      @A68AGaming 5 років тому +4

      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

    • @HoundGrin
      @HoundGrin 5 років тому +4

      You'll have to leave your eyes visible and opaque unless you want to be blind.

  • @alokbhattacharyya6793
    @alokbhattacharyya6793 2 роки тому

    Your hands on experiments and explanations are great.

  • @ananymangal6769
    @ananymangal6769 3 роки тому +2

    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.

  • @ViCReZ911
    @ViCReZ911 5 років тому +42

    Wait there wasn't a red arrow in the thumbnail therefore I have absolutely no idea what i'm supposed to be looking at...

    • @jackoplumkin6412
      @jackoplumkin6412 5 років тому +2

      Lol

    • @byte01010101me
      @byte01010101me 5 років тому +5

      I wanted to see the light bending like it did in the thumbnail but the picture is obviously FAKE!

    • @hit.me.at.911
      @hit.me.at.911 5 років тому

      byte01010101me you can just not as drastically as in the thumbnail

  • @randalmarshik4320
    @randalmarshik4320 5 років тому +65

    Your blinking eyes are blinking my eyes.

  • @praveencbi
    @praveencbi 3 роки тому +8

    Only wish you were my physics teacher during my school days..

  • @andrewballard780
    @andrewballard780 2 роки тому +2

    Thank you for such amazing videos - keep up the good work

  • @souldevforgerofsouls4206
    @souldevforgerofsouls4206 5 років тому +4

    That random dollar at 11:24 tho! Haha happy Valentine’s Day!

  • @DJ-Art-Morris
    @DJ-Art-Morris 5 років тому +12

    He just single handedly refuted the best supporting flat earth argument without even knowing it. Lmbo. This is awesome

    • @lightytf2
      @lightytf2 5 років тому

      Its lmao not lmbo

    • @typicaluser3884
      @typicaluser3884 4 роки тому +1

      Well. Your Name is my real name.
      Yeah Abdul Hakeem.

    • @costascostas1760
      @costascostas1760 4 роки тому

      @@lightytf2 he laughed his balls off so I guess his ass is next

    • @randomdumbass7231
      @randomdumbass7231 4 роки тому

      The earth is obviously not flat btw (for those fat flat earthers out there)

  • @anthony23ant
    @anthony23ant Рік тому

    the first example of me seeing this phenomenon is when I saw right on top of car roof on a hot day, and the heat bends whatever is supposed to be above the roof from my perspective, that looks like a smoke like silhouette, pretty cool

  • @LostAndHangry
    @LostAndHangry 2 роки тому

    Great vid, love your channel.

  • @lozzywozzy6126
    @lozzywozzy6126 4 роки тому +10

    If oy you were my science teacher... I would never skip a class of yours

  • @samdoesstuff4924
    @samdoesstuff4924 5 років тому +16

    actually mirages aren't mirages because the chunks just haven't loaded in

    • @budgiebirdsalot4410
      @budgiebirdsalot4410 5 років тому

      ...ok sereously am I the only one who gets this?

    • @maxxiang8746
      @maxxiang8746 5 років тому +1

      @@budgiebirdsalot4410 anyone that plays minecraft should get it...

    • @budgiebirdsalot4410
      @budgiebirdsalot4410 5 років тому

      Yup..that's probably why I get it

  • @cordellblaine9641
    @cordellblaine9641 3 роки тому

    Very cool explanation! Love the mirage explanation at the end as well

  • @lelsewherelelsewhere9435
    @lelsewherelelsewhere9435 2 роки тому

    I read somewhere that this effect with cold lake water and warm air layer was able to bend light as telescope lens does, and sometimes allows people to see the opposite coast of the great lakes like they're right there, even though they're hundreds of miles away.

    • @primonomeultimonome
      @primonomeultimonome 2 роки тому

      It's called looming. Even without temperature differences, looming in the atmosphere is always present because of the atmospheric density gradient due to gravity.

  • @aquashrimp1423
    @aquashrimp1423 5 років тому +12

    Your videos are always sooooo interesting!!!
    Edit: 11 likes!! thank you everyone for liking this :)

  • @manda2922
    @manda2922 3 роки тому +9

    I want this person to be my science teacher in school 🤩

    • @mohauvundla7391
      @mohauvundla7391 Рік тому

      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?

  • @arturovasquez9720
    @arturovasquez9720 Місяць тому

    Excelente clase de física sobre el comportamiento de los rayos de luz. Gracias.

  • @carteron248
    @carteron248 3 роки тому

    Brilliantly explained. I’m a first time watcher. I shared, liked and subscribed