Watch an 18-rotor electric helicopter take its first manned flight
 

E-Volo has been talking about the prospect of using many-rotor electric helicopters (aka multicopters) as semi-affordable personal transport for years, and it now looks like this isn't just a far-fetched dream. The company recently completed the fir...

http://www.engadget.com/2016/04/10/1...manned-flight/