A Solid That’s Light as Air. ‘If you wanted to catch a few particles of comet dust speeding through the vacuum of space at 6 kilometers per second – without damaging or destroying those particles – how would you do it? Faced with exactly this problem, scientists at the Jet Propulsion Laboratory focused on aerogel – an extremely lightweight, porous material that is chemically identical to glass, but weighs only a little more than air.’

Stardust Technology: Aerogel

About Aerogel

Time: Best Inventions 2002 – Aerogel

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