A combination telephone, voice-text pager, GPS device, and scheduler, the watch keeps track of where Dr. Smith is at all times. If necessary, the hospital can instantly locate and contact him. A beeping alert will tell him where to go and provide a map.
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.