Flexible e-ink screens, as easy on the eyes as newsprint, will wirelessly grab the documents you need when you enter a meeting. You can then unfurl them on the train or switch over to the newspaper. Researchers at Dutch company Polymer Vision have created flexible circuitry that bonds to displays at low temperatures so that screens can bend without melting or breaking. Now they’re working on circuits for high-resolution 8-by-11-inch displays.
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.