This (totally fun and probably not hazardous!) bridge was imagined by Atelier Zündel Cristea for a competition in Paris. It works the way your inner child is hoping: you trampoline across the water. Atelier Zündel Cristea via Gizmodo
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.