newVideoPlayer( {"type":"video","player":"http://www.viddler.com/player/561be15e/","customParams":{"flashVars":"fake=1"},"width":500,"height":375,"ratio":0.659,"flashData":"","embedName":null,"objectId":null,"noEmbed":false,"source":"viddler","wrap":true,"agegate":false} ); Lasers have recently shown they can down a UAV–but they can also keep the drones up in the air. LaserMotive has kept a 22-gram model helicopter hovering for hours at a time on just a few watts of laser power. More »
LaserMotive’s photovoltaic-powered machine became the first in the three-year history of NASA’s space elevator contest to climb a 900m-long ribbon, securing a prize of $US900,000. However, they fell short of the $US2 million grand prize. More »
