3 ms·In what way is any of that relevant to the question of efficiency?by dpark 10y agoIn what way is any of that relevant to the question of efficiency?minimaxir 10y agoIt's entirely possible that efficiency may not be a product objective for uBeam.dpark 10y agoIt certainly should be. If I need to waste enough electricity to charge my car just to charge my phone, that's a big problem.