For the helmet-haters: a soft beanie lined with elastic polymers that stiffen upon wipeout
By Nicole Dyer
Posted 02.21.2006 at 3:00 am 0 Comments
Nineteen-year-old expert skier Janne van Enckevort was told that this cap would harden when his head struck the ice. To make sure, he removed the spongy pads lining the hat, crumpled them into a ball, and then smashed them against the floor. The ball stiffened upon impact, then quickly softened again.
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.