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Black Blacker Than Vantablack

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Re: Black Blacker Than Vantablack

#31

Post by jbay808 »

Nextgrid wrote: post #29
okcando wrote: post #27

Earlier quoted context omitted.

An almost perfectly black and almost perfectly anechoic chamber with almost zero external sound. Peaceful or nightmarish?

Wouldn’t a pitch black room achieve the same effect with much less cost/effort? As far as I know the idea of these compounds is to absorb light, but if you get rid of light to begin with then you don’t need them?

I guess the main difference would be your ability to see your own body, and the light source.

Darkness is probably more disorienting, but also more familiar.

Re: Black Blacker Than Vantablack

#32

Post by jacobush »

sosuke wrote: post #13
asdfman123 wrote: post #11

> Strebe has coated a $2 million (£1.6 million) 16.78-carat natural yellow diamond in the material Wouldn't it have been smarter to, say, make a glass replica, coat that, and pocket the $2 million diamond?

In that case it wouldn't be art but just a demonstration.

Or a different kind of art

Re: Black Blacker Than Vantablack

#33

Post by axaxs »

icsllaf wrote: post #22

Would the human eye see the difference between this and Vantablack? Even though it's ten times darker I feel like the returns would get smaller and smaller. Also, what would 100% light absorption look like?

In the right environment - the absence of anything. Like a piece was cutout of your vision. Which, to be honest, this resembles as well.

Re: Black Blacker Than Vantablack

#34

Post by jbay808 »

criddell wrote: post #24
tito wrote: post #5

I love carbon and carbon materials. Here's an amazing clip showing Vantablack. It's so dark it looks like an optical illusion: https://www.youtube.com/watch?v=fg2x0L4YAuU And apparently this stuff is blacker!

I just watched that and at the end they state that you can't buy it because it's subject to UK export controls. The Vantablack website confirms this: > In order to comply with UK export control regulations we are required to verify the identity and credentials of potential clients and the nature of their proposed use of Vantablack. Only verified companies, research facilities and educational establishments can order…

It presumably has military applications, such as coating stealthy satellites.

Re: Black Blacker Than Vantablack

#35

Post by jbay808 »

icsllaf wrote: post #22

Would the human eye see the difference between this and Vantablack? Even though it's ten times darker I feel like the returns would get smaller and smaller. Also, what would 100% light absorption look like?

In other words, you have to crank up the light source to be 10x brighter to make it reflect as much as vantablack does.

I think the returns are always there when the improvements are on a log scale like that, assuming you care about darkness in the first place.

Re: Black Blacker Than Vantablack

#36

Post by axaxs »

chongli wrote: post #18

I think it would be cool to walk into a room painted entirely with this material. I bet it would be so disorienting that people would fall down and get vertigo. So weird.

I was thinking about car/plane applications. At first thought, it's "that reflects no light that's a terrible idea". Thinking further, the absolute absence of anything itself stands out from a normal background, day or night. Would be a bit interesting to see.

Re: Black Blacker Than Vantablack

#37

Post by okcando »

Nextgrid wrote: post #29
okcando wrote: post #27

Earlier quoted context omitted.

An almost perfectly black and almost perfectly anechoic chamber with almost zero external sound. Peaceful or nightmarish?

Wouldn’t a pitch black room achieve the same effect with much less cost/effort? As far as I know the idea of these compounds is to absorb light, but if you get rid of light to begin with then you don’t need them?

OK, wise guy.

There's a single bare lightbulb suspended out of reach in the void. The walls feel like ScotchBrite though you can't see them. You aren't wearing any clothes. The room begins to rotate slowly as if it were a large tumble drier, rolling you off your feet. The walls gradually turn red.

Peaceful or nightmarish?

Re: Black Blacker Than Vantablack

#38

Post by virgilp »

icsllaf wrote: post #22

Would the human eye see the difference between this and Vantablack? Even though it's ten times darker I feel like the returns would get smaller and smaller. Also, what would 100% light absorption look like?

Shine a very powerful laser on it, and yes, the human eye will be able to tell the difference

Re: Black Blacker Than Vantablack

#39

Post by darepublic »

okcando wrote: post #27
chongli wrote: post #18

I think it would be cool to walk into a room painted entirely with this material. I bet it would be so disorienting that people would fall down and get vertigo. So weird.

An almost perfectly black and almost perfectly anechoic chamber with almost zero external sound. Peaceful or nightmarish?

Just need to add lsd

Re: Black Blacker Than Vantablack

#40

Post by weberc2 »

axaxs wrote: post #36
chongli wrote: post #18

I think it would be cool to walk into a room painted entirely with this material. I bet it would be so disorienting that people would fall down and get vertigo. So weird.

I was thinking about car/plane applications. At first thought, it's "that reflects no light that's a terrible idea". Thinking further, the absolute absence of anything itself stands out from a normal background, day or night. Would be a bit interesting to see.

These things have applications for stealth aircraft as they often absorb radar as well as visible light. But even for visible light, if you're looking at something painted vantablack in broad daylight, you only see a silhouette--much like WWI "Dazzle" camouflage, it's very difficult for the brain to process what you're looking at.
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