SandwichesAreNice@lemmy.world to Metal Memes@lemmy.worldEnglish · 4 days agoIt's hot outsidelemmy.worldimagemessage-square83fedilinkarrow-up1733arrow-down17
arrow-up1726arrow-down1imageIt's hot outsidelemmy.worldSandwichesAreNice@lemmy.world to Metal Memes@lemmy.worldEnglish · 4 days agomessage-square83fedilink
minus-squareBjörn@swg-empire.delinkfedilinkEnglisharrow-up13·2 days agoLets engineer a shirt that looks black in the visible spectrum but is white in everything else.
minus-squareEphera@lemmy.mllinkfedilinkEnglisharrow-up2·1 day agoCould probably just take a black shirt and smother it in sunscreen. Apparently, you would want “mineral sunscreen”, which aims to reflect the UV light rather than just absorbing it. No guarantees that it’s actually still black afterwards, though. 🙃
minus-squarezaphod@sopuli.xyzlinkfedilinkEnglisharrow-up10·2 days agoYou could do that, unfortunately solar irradiance is highest in the visible spectrum.
Lets engineer a shirt that looks black in the visible spectrum but is white in everything else.
Could probably just take a black shirt and smother it in sunscreen. Apparently, you would want “mineral sunscreen”, which aims to reflect the UV light rather than just absorbing it.
No guarantees that it’s actually still black afterwards, though. 🙃
You could do that, unfortunately solar irradiance is highest in the visible spectrum.