It must be impossible. This is what critics have concluded despite not actually knowing the details behind uBeam’s wireless power technology. So rather than let the rumors swirl, today uBeam revealed details about how far, how fast, and just plain how it can charge a phone without wires.
Sam M wrote in with a quick proof-of-concept demo that blows our socks off: transferring enough power wirelessly to make a small quadcopter take flight.
Back in 2012, a little startup called uBeam got a ton of attention. It claimed that it was going to revolutionize wireless charging.
