March 2: Cheap Aerogel

March 2: Cheap Aerogel

San fransisco Chronicle

Rice husks turn into high-tech insulator
Scientist discovers inexpensive way to make aerogel

Vijay Joshi, Associated Press
Sunday, March 2, 2008
(03-02) 04:00 PST Skudai, Malaysia --

A Malaysian scientist says she has discovered a cheap way to turn discarded rice husks into a high-tech material that could reduce electricity bills, protect buildings from bomb blasts, and make airplanes and tennis rackets lighter.

Aerogel, the lightest solid known to man, was invented in 1931 by an American scientist, but its high cost has limited its use...