Many speakers with two or three drivers purport to deliver surround sound, but the YSP-1 does more than create a fragile illusion. Digital amplifiers specifically direct the output from each of the YSP-1's 42 drivers, so the sound reaches you at slightly different times. Your ears interpret these delays just as if the sound were actually coming from two front, a center and two rear-channel speakers. And the panel, which mounts below a flat TV, is easy to set up.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.