'Whitest ever' paint reflects 98% of sunlight
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Re: 'Whitest ever' paint reflects 98% of sunlight
#2Also: Black 3.0, the purchasable variant of Vantablack
For sale at: https://www.culturehustleusa.com/
Re: 'Whitest ever' paint reflects 98% of sunlight
#3I wonder how well this holds up to dust, pollen, UV, etc. At some point is the difference negligible? Every white commercial roof I've ever seen is much less white after some time passes.
Re: 'Whitest ever' paint reflects 98% of sunlight
#4Someone needs to compile a list of all this fringe tech that I see popping up in my feeds, almost daily now. I know there are techpress blogs that pump out articles like this, but there doesn't seem to be an authoritative compendium of such tech anywhere on the net. I could curate this by hand with 3 hours of free time and some Red Bull I suppose.
The reason I want this is because we seem to be swimming in innovation, but nobody to aggregate and make sense of it all, and `join-the-dots` of all this tech so we can make even bigger leaps with it. Also: A lot of these articles are great, but too quickly shoved into people's bookmarks and forgotten about, without any real action taken on them. Put simply: we are addicted to innovation, but with little action taken on this innovation!!
Re: 'Whitest ever' paint reflects 98% of sunlight
#5How does black paint work anyway? What happens to the energy of the photons? (Will google, but perhaps someone here can explain?)
Re: 'Whitest ever' paint reflects 98% of sunlight
#6Also: Black 3.0, the purchasable variant of Vantablack For sale at: https://www.culturehustleusa.com/
That's a great site. Thanks for the share.
Re: 'Whitest ever' paint reflects 98% of sunlight
#7How does black paint work anyway? What happens to the energy of the photons? (Will google, but perhaps someone here can explain?)
Absorbed, adding energy to the paint molecules, then reradiated at a lower wavelength (IR), heating up nearby things.
Re: 'Whitest ever' paint reflects 98% of sunlight
#8How does black paint work anyway? What happens to the energy of the photons? (Will google, but perhaps someone here can explain?)
Some is conducted into the object that's painted, and some is radiated away as infrared. See:
Re: 'Whitest ever' paint reflects 98% of sunlight
#9How does black paint work anyway? What happens to the energy of the photons? (Will google, but perhaps someone here can explain?)
It dissipates as heat into the paint and it's substrate, I assume. At least that's what I always thought we wore dark clothes in winter and bright ones in summer.
Re: 'Whitest ever' paint reflects 98% of sunlight
#10Can someone explain the difference between this and a mirror? A mirror reflects also something like 98%, right?