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This is aerogel AKA frozen smoke. It's the lightest solid in the world. 96% air. Can also hold up to 4,000x own weight.
I knew this. Pretty cool!
I didn't know this. Pretty cool!
I knew this. Not cool.
I didn't know this. Not cool.
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You know it's nearly impossible to see or feel? If poked, it apparently feels like styrofoam. ?
almost 9 years ago
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