4 Ways To Make Yourself Invisible
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- Опубликовано: 3 июн 2024
- I show you 4 different ways to become invisible
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I love the way James spontaneously reacts to the "cool factor" of his scientific demonstrations. Infectious enthusiasm makes his channel the success it is.
He should make a _"Whwhoa!"_ compilation
You do realize he’s just acting. Wouldn’t be the first time he’s run these experiments.
@@nuancesoffate I too am a teacher. Adding spontaneous reaction reinforces class enthusiasm for the subject matter. James is simply a great instructor. His pedagogy includes a genuine wow reaction. It keeps the subject matter fun!
@@srb20012001 Understood. 👍
not really spontaneous as the vid is not made spontaneously but yeah
Nothing beats my method when I was a child. Covering my eyes and saying ' Can't see me' worked every time.
I saw a little kid doing this during a hiding game. It was soooo cute. He thought no one could find him, he was laying in front of us face down and trying to be silent.
Jamie Cena
@@SRose-vp6ew cute indeed (⁀ᗢ⁀)
Or using the "Invisibility Glasses" like in the movie "Big Daddy" with Adam Sandler.
That works very effectively if you need to hide from the Ravenous Bugblatter Beast of Traal.
Magicians use a lot of these principles. “Black Art” is the term used to describe using a black object and using a black background to camouflage into the background. Great presentation with that illusion and the flock sheet clothing! I have heard of lenses being used in magic too. I have yet to see a more practical use or a larger variation of the Rochester lens cloak. I also have yet to see use of the same refractive indexing. Yet the possibilities abound!
this is so cool
It's funny that the art of vanishing objects is called "black art". Very accurate 😆
🇵🇭😲🧐 Oh, "Black art"!
🤔 I almost misread and thought of it as "Black magic" or "Dark art" or some sort of a combination of both. ✌🏼😅
wait, it doesn't mean using black people for experiments?
Have you ever discussed how bin Laden's band of booze swilling, lap dancer fancying, 'Islamic extremist' CIA assets achieved the impossible:
"Stage 2 (1.75 to 4.0 seconds): gravitational acceleration (free fall)"
-- NIST FAQ on WTC 7
In the first method, it is important that the background contains features in the same direction as the spreading of light. For example, the garage door had horizontal stripes.
Consistent background. 👍
He did explain that.
@@mr.spinoza Sort of. He showed the example with the sideways broom, but then didn't follow up with any discussion of the types of backgrounds for which that technique would work effectively.
it can still make you invisible it just will also distort the background, but you are still not visible behind it. technically any wall does this.
The fifth method is to capture the background using a camera, and then displaying in on the front end of the object to match the background. Not simple or easy, but can be done. Only works for a narrow viewing angle, though. There have been some military experiments.
A sixth is to cover yourself with a cloak that can display all colors at a wide range of intensities with hundreds or thousands of "pixels", and then have some form of wide-angle camera that captures the colors, patterns and light intensity of the surroundings, and displaying some rough average of that on the cloak. Like a chameleon.
another options would be to cover yourself in mirrors, depends on the surroundings but a plane covered in mirrors or a shed in the woods will be pretty much unregognizeable
@@silasschramm I think that might work for the shed, but the problem with the plane is that (viewed from beneath) it would reflect the ground, which doesn't usually blend well against the backdrop of the sky.
@@silasschramm Another problem with mirrors is that depending on the angle it would reflect the sun, making it not only visible but bright.
@@j.manzueta188 yeah and it also reflects the person viewing it, its not a perfect solution
the camera one is not limited to a shallow angle at all if you use motion/eye tracking.
3:47 you can't change your own refractive index...
The invisible man: am I invisible to you?
First way: Just grow old like me. As the years progress I become more and more invisible to everyone around me such as in supermarkets. I am now noticed by no one.
I aspire to be like this person
Confirmed.
As the years progress your hair also becomes whiter and whiter until it becomes almost transparent, that's when you know the skin is next and soon you're invisible.
Science.
Wear a leather waistcoat with nothing underneath.
....and get divorced so you will always walk alone. Others will be sure not to notice you.
@@-Cece at times, I find that a benefit. But on the whole, not so much. Being relevant to others, (as a single person over 50), is surprisingly challenging sometimes.
Would love to see a follow up on this discussing cloaking meta materials. Works similar to the second method of invisibility shown here, but with a single material instead of four separate lenses
yes! that sounds fascinating
Does it even exist?
@@westonding8953 It doesn't exist in a form that works well. Small scale models have been made that work over a very narrow band of frequencies, if it is designed for visible light, it works only for the one color it designed for. If there is white light, then there will be rainbow fringes around the invisibility device.
They first got the technology _"working"_ at a single microwave frequency decades ago. That got a bunch of military research money as military radar often uses microwave frequencies.
Problem #1: Many military radar units can be tuned over a wide range of frequencies, so they can find a frequency that isn't being jammed by the enemy.
Problem #2: the invisibility devices can be made as cylinders or as complete spheres. It doesn't work for any other shapes.
Problem #3: an invisibility shield that hides a region that is 1 meter wide needs to be about 1 meter thick all the way around the object. If the inner diameter is 1 meter, the outer diameter needs to be about 3 meters.
Problem #4: the meta-materials used tend to be heavy. A person could not lift a shield large enough to hide a person.
Problem #5: any manufacturing defects will be highly visible.
So you can hide small things from someone that uses only one color of light or only one radar frequency.
@@hamjudo Cool stuff! Meta materials sound amazing. But on closer look visible light goes through glass but UV light does not because the molecules in the glass match frequencies of UV rays; but they do let in X-rays. If we can find a substance that absorbs all the visible frequencies emitted by humans and their clothing but lets the background light through, that would be an interesting shield. Sounds very unfeasible though.
@@westonding8953 much of it is still theoretical but there are a wide range of different unique properties currently being tested. Negative refractive index and how you go about making a material with it is wild.
Main problem with being invisible is that you'd be blind. If light is passing through you or being bent around you, it's not getting to your eyes.
Trust me you can still see. It’s an illusion
I love the demonstration with the lenses and using the lines to demonstrate where the light beams focus to a point and where it is brought back to parallel.
Can I suggest colour coding the rays so that it is easier to visualize where the image is inverted and where it is brought back to normal orientation? Something like the top ray being red and the bottom being blue? This way where the image is inverted the red ray will be beneath the blue ray.
Sad ninja- 3:21
And the next way to make it invisible is to gouge out your eyes 2:46
XDDDDD
For the Rochester cloak,make the tiny focal point into a straight parallel beam using another lens,then you can be invisible for a larger area
I love your videos. They are exciting and fun, but they also teach everybody things also. Keep up the good content!
Totaly agree ! 👍🙂👏
I like the additional blank time at the end, to bypass the stupid end-of-video ads, for those of us who like to go back a few seconds at the end of replay parts without having to wait for the ad to finish to rewatch. Thank you for that!
At night, towns in war time England used to turn out all lights, so that plains flying above had difficulty seeing their target.
Guy: *Testing Physics in Black Clothes.*
FBI: *We don't do that here **4:24**.*
I am curious to see what happens to the laser when you have a vertical screen behind the horizontal screen.
A red square 🟥
You will roughly get the same dot ( of the laser's image) almost back . The perfection shall depend upon the intensity of both the screen and the distance between them.
@@anish_3.141 I don't think so. Remember. The sheet spreads the light along an axis, so it should spread the line across the whole sheet.
What about if you used 2 invisibility shields. One in a vertical position and the other in the horizontal position but at a fixed distance behind the front one?
I loved the exposition of the different ways we know to make something invisible. Great work💪🏿
3:15 Action Lab : Ninja stories :D
Thanks for this video. It was really interesting. It would be cool if you explored some of the ways the militaries all over the world tried things like this to hide tanks during the cold war, Vietnam war and wwII. Thanks again.
BTW I emailed you last week with a question. ~ Keith Brown
The first thing is pretty cool
Invisibility shield
Thanks for all the great content. Could you do a video on the science of meta materials, terahertz waves and refractive index?
I don't know how but in the morning, I was thinking about exact same topic ie. different way to make us invisible by physics and in evening I got your video
This feels really great😊
Me encanta ver los experimentos que realizan. Excelente trabajo 👍🏼, felicitaciones y saludos desde México 🇲🇽
Your name sounds cool to say
One other way to do it that I think the US military was looking into at one point would be to design a wearable suit that is made up of tiny screens and cameras. The cameras would record what is on the opposite side of the object, and the screen would display that video feed of what is behind the object. As you make the screens and cameras smaller and smaller, you would essentially have a huge network of screens showing what is behind the object from conceivably every angle. That would render the object essentially invisible.
Damn, I actually thought of this when I was 14, nice to see that other people also think that's a valid way
There is also the possibility of having a LED-Screen in front and a camera on the back and make a computer light the LEDs as perfectly as it can to match the imagine on the back... they have made buildings "invisible" like this (under quotes, you still see it as its not even close to good enough, but you can kinda "see through")
You forgot to include using angled mirrors to make things invisible. Like the production box used in magic tricks!
angled mirrors is similar to angled lenses, it's getting a "blind spot" in the path of the light
Yes. The mirrors have to be angled to give the illusion that the reflected image is the inside of the box.
I would like to see this used as cammoflage in different lighting conditions and natural as well as urban environments, must be super effective at night. Also how will this look in night vision and thermal?
Assuming you’re talking about the black material, it’s very expensive and has no properties that will hide thermal information. So far it’s primary use has been in art installations and elsewhere.
This must be one of the best Action Labs videos ever! :)
TAL: How to make yourself invisible.
Robbers: thank you so much 👍
The real way to become invisible is this video's sponsor NordVPN.
Wish I had him as a science teacher in school
Can you add “Whatever I did for 4 years in high school” to this list - it worked exceptionally well!
I like to translate these kinda of tricks in 3D rendering engine inside 3ds Max for example I did the infinity mirror room It was very fun project!
The first one makes me wonder what having a full yard privacy fence made out of the material would be like.
Woah
When dads go to get milk:
Wow! Great video as always. Excellent narration and your topics are always enjoyable, entertaining and interesting.
The first one at a large scale was super interesting, although we have already seen the smaller scale video on your channel.
You videos are really amazing, keep it up man..
Jee
A couple more methods off the top of my head: Become a Shaolin monk (eg. David Carradine in "Kung Fu") or increase your mass until you form a gravitational lens and bend photons around yourself.
...since you went there...learn the Drax system...stand so perfectly still no one will notice you.
I love your videos. Explanations are simple and easy!
Your video is amazing as always!
How to be invisible:
Step one: become John cena
There's another method: project an image of the background on to the object you're trying to hide.
That's basically method 3 right? Paint the object the same as it's background?
@@andrewperez5190 Not exactly. In this method you use a camera and a projector. The military actually looked in to using this for tanks. Also unlike method#3 this can adapt with the suroundings.
3:49 -- My 3-year-old son learned that he could never change his own refractive index and began to cry.
To be honest, they worked better than I expected.
Another method: have a screen/projector on the front of the object that sends an image of what's behind it. Then, when you look at the object, it looks like what's behind it.
This type of technique was tried with planes that had lights on the underside so that they would appear closer to the brightness & color of the sky.
I have seen it also in Mission Impossible
Ghost Protocol, the hallway scene
Major limitation is that you need to know where the viewers are, if you just project what's behind the object it'll look like a screen with an image on it. Especially up close where perspective is more prevalent. Knowing where the viewer is you can distort the image to give it the desired perspective to match that of the viewers. This also means it'll only work with one area of viewing, can't have different viewers at different angles
*Is call lenticular, not invisibility shield*
That first method is the reason why the shield itself has a slightly darker hue than the area behind it actually does.
If we ever do achieve invisibility it will be by bending light.
Can you speak about unclassified invisibility cloak technology researched or implemented by the military?
I got one and it comes natural to me.😌
Lmao
no
This dude never disappoints with his content
The last method is how fluorocarbon fishing line works. It has a similar refractive index as water, so the fish can't see the line.
This is crazy. I literally had a dream about this material last night.
An octopus constantly changes it's appearance to blend in and become invisible. So does a cuttlefish. They are masters of invisibility. We can learn a lot from these creatures. 🐙😊❤️
chameleon
Coooool
This guy is an alien who is trying to give hints to humanity about how to create the next gen technology.
You should make a video about glass panels and IR cameras. Glass will make you invisible on IR. The lenses they use for IR cameras have to be made out of specific materials to allow the sensor to actually see anything.
that is true for ultra violet light... not sure about IR
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I would be interested to see what camouflage pattern looks like behind the invisibility shield
Great video! We are getting closer with metamaterial!
How to solve a truss bridge design in elementary or middle school.
1 Draw a vertical symetric axis of the
selected truss.
2 Extend all diagonal elements to your vertical axis and choose two different colors.
3 Top connected lines are in compression and bottom connected lines are in tension.
4 Apply the same rules for top horizontal and bottom horizontal elements.
5 Find a triangle to solve all vertical elements. Select the remaining vertical force by applying a compensation rule inside your triangle.
6 Show gravity direction in your sketch
and draw vectors along all lines from top to bottom.
7 Conclude on weight distribution
of your truss. Show the maximum and
minimum stress of your truss.
8 Think on materials and structure modification for cost and strength optimization.
I feel like in war people might try to make the arenas blurry so invisible layers will be more hidden
Wow! Yours is the cleanest light distortion screen I have ever seen!
Someone get this man a invisiblity potion....
I realize you have a Kickstarter link but where did you buy your panel?
Would love to see someone bring the invisibile shield to a laser tag arena
Imagine shooting the world's brightest torchlight to an invisible shield
Reminded me of some monitor "bezel-free kit" for triple monitors setup, which is to hide monitor bezels between monitors.
I wish someone would put a grid behind one of these. All channels put horizontal patterns behind them.
Thanks. Can’t wait to use these at school !
Should try to combine all of these techniques, honestly.
Your experiments are wonderful and exciting
Disguise still kinda works if you know the situation you're gonna be in. Not completely invisible, but less noticeable
Ah!! Love the way you show invisibility at the end of the video! maybe you're there, somewhere, wearing that super black suit. Cool! :)
Can we use it on the battlefield? Cover a tank with this panels or make shooting positions for troops kind of invisible?
Hello Action Lab! You may try using lot of plastic optical fibers organized in same way on both sides. Than you can put anything in between :D
Man, this stuff is so trippy! Imagine the uses....
His videos are unintentionally or intentionally funny 😆
has to be one of the funniest titles ever made. it makes it even funnier that it it true.
”Let me say the magic words. Bippety, boppety, boop!”
cool and fun to see the black clothes you made with my help, from far away :)
i enjoyed this very much thanks for being smart!
Great video, but im already invisible. Could you make a guide on how to get visible?
Why not combine some of these or use electronics to supplement?
For example, take the lens and at the focal point, capture the image with a camera, transport data to a DLP projector where a lens reverses the process/expands the image?
What if you had the horizontal scattering shield/lens at the focal point? Could you scatter a wide object as a super thin horizontal line as well as a tall object since it was reduced to a point?
Forgot about camera/display grids.. Fiber optics could transmit both ways each pixel
I have seen this material you produced previously. Is the shield you first exhibited readily available to buy? Where is it obtained from, please? In darkness the blackest material and a background could be the most effective concealment. In urban settings there is nothing better than nobody about to see, lol. Good show NEway.
There's another way, it's from Mission Impossible: Ghost Protocol. You need a camera, a screen, and a computer that moves the camera.
0:11
Correction: *Cloak*
I seen a video a long time ago of someone wearing a material that a image could be projected onto it and they had a projector shining the image of what’s behind them onto them in the front
In sci-fi fictions, there are Optical Camouflage, by using some sort of camera and hologram setup to show the thing behind.
This was a great video thank you
Could you use two shields and make one horizontal and the other vertical?
Can anyone tell what should be depth and angle of convex lens in invisible shield
finally someone discuss this method, is important to me
Is this lenticular sheet,like the one in tv?I had a broken tv once,i found that transparent sheet in it and i did notice the weird effect it does...its probably the same kind of sheet
If you rotated the invisibility shield by 90 deg, would it rotate the effects as well? Would the broom become visible when vertical and invisible in horizontal? Or, are the effects independent of the orientation of the shield?
2:41 thanks for teaching me these magical words
Now I'll surprise everyone surrounding me