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发帖数: 202 | 1 JPL's Aerogel Makes Record Books As Lightest Solid
By Heather Sparks
SPACE.com staff writer
posted: 10 May 2002
11:00 am ET
The Jet Propulsion Laboratory has beaten itself into the Guinness World
Records, again for creating the world's lightest solid.
Described as a solid smoke because it's 99.8 percent air, the material
called Aerogel is actually a stiff foam made from silicon dioxide and sand -
the same ingredients that make glass, but Aerogel is one thousand times
lighter.
Its density is just |
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