materials

  • Aerogel: Glass that is 99.8% air gets put through the paces

    The world’s lightest known solid, Aerogel, weighs only three times as much as air. As air, mind you. You could practically breathe the stuff, but you wouldn’t want to because, basically it’s glass. Really, really, fluffy glass. It has been used by NASA as insulation for the Mars Pathfinder Rover. Not only is it a great insulator, but it is also made from silicon dioxide, so… Read More