Gadget Freak Jr.: Manned Electric Helicopter

The “e-volo,” an electric-powered multicopter, took its first test flight in Germany last month. So called because it has 16 rotors, the 176-pound machine is powered by lithium-ion batteries. It broke into the mainstream press Thursday with a report on MSNBC.com. A quick online search reveals that Thomas Senkel, one of the developers, posted his own video right after the …