World's Lightest Solid!

Aerogels are the world's lightest (least dense) solids. They are also excellent thermal insulators and have been used in numerous Mars missions and the Stardust comet particle-return mission. The focus of this video is silica aerogels, though graphene aerogels are now technically the lightest.

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+2 1. ringmaster commented 143 days ago

People who want to watch the video without interruptions can watch it here: https://www.youtube.com/watch?v=AeJ9q45PfD0

What the video did not show us was the potential medical use.
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+1 2. Judge-Jake commented 142 days ago

You can actually buy little pieces of this stuff www.buyaerogel.com if you are curious. O:)
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0 3. thundersnow commented 141 days ago

All I see is Derek Muller <3<3<3.....but of course he's taken....:'(
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0 4. barbr555 commented 22 days ago

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