• more about #revolvingdoorgenerator more comments →
    Platypus Man: I worked in the offices of a power company this past summer (Progress Energy in Raleigh, NC) and they had revolving doors in front. And there were big... more »
  • #generators

    Revolving Door Uses You to Make Energy

    It's an alarmingly simple concept that claims to be the world's first application: Netherlands-based company Natuurcafé La Port installed a power generator into a revolving door. Fantastic, but it took us this long?