San fransisco Chroniclehttp://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2008/03/02/MN72V8VGT.DTL
Rice husks turn into high-tech insulator
Vijay Joshi, Associated Press
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...