Guys at MIT claim to have made a solid state airplane, meaning powered flight with no moving parts. http://news.mit.edu/2018/first-ionic-wind-plane-no-moving-parts-1121 It uses high voltage to ionize air and accelerate it backwards to produce thrust. We've talked here several times about electric airplanes and how impractical they are, but I see this as futile on a whole other level. All the problems with conventional propellers or ducted fans powered by electric motors and batter