kdawson from the throw-the-sand-against-the-wind dept.
hduff writes "While lithium-ion batteries offer better performance than lead-acid or ni-cad batteries, the supply of lithium is limited and the batteries can pose problems. Researchers at the Technion-Israel Institute are building a better battery with easily obtainable sand and air."
Get hold of portable property. -- Charles Dickens, "Great Expectations"