1. Subscribersonhouse
    Fast and Curious
    slatington, pa, usa
    Joined
    28 Dec '04
    Moves
    52619
    26 Jan '11 04:03
    http://www.physorg.com/news/2011-01-robotic-tree-helicopter-video.html

    Copying the design of those falling leaves that spin, they turned that idea into a new flying machine! Great video.