It's a grass-roots effort to cut energy use one drafty house at a time. CNET's Martin LaMonica participates in a community barn raising where volunteers weatherize a home.
200 employees will help build a machine that will be the size of a semi trailer and will be able to perform more than 60 trillion operations in one second.
CNET News reporter Martin LaMonica has spent the past year in the multifamily competition Energy Smackdown to lower household energy use. He finds a little effort goes a long way.