During strength training, BodyVib weights vibrate gently at 36 cycles per second, triggering contractions in often-neglected stabilizing muscles. The dumbbells vibrate only when someone holds their capacitive touch-sensitive grip. BodyVib D1 Vibration DumbbellsPrice not set
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.