hduff writes "While lithium-ion batteries offer better performance than lead-acid and ni-cad batteries, the supply of lithium is limited and the batteries can pose problems. The Technion-Israel Institute is building a better mousetrap with easily obtainable sand and air." Link to Original Source
"Every morning, I get up and look through the 'Forbes' list of the
richest people in America. If I'm not there, I go to work"
-- Robert Orben