Solar cars are rapidly becoming more and more efficient, but they’re going to have to step up their game in order to beat the Celeritas, a 275 lb vehicle that can travel 2,200 miles per gallon...
A remote-controlled quadrocopter recently set a new world record by staying aloft for 12 hours using energy beamed up to it by lasers. Developed by LaserMotive, the quadrocopter has photovoltaic panels installed all along...