Touchscreens aren't great interfaces for cars--they demand too much of your visual attention to be particularly safe. Tactile displays like the Tactus concept that actually creates "buttons" on the fly. Amazing stuff if they can pull it off. Read more here.
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.