By Bjorn Carey
Posted 09.21.2010 at 3:45 pm 7 Comments
We’ve all sucked down a milkshake so quickly that it causes a sudden headache—the dreaded brain freeze. But . . . milkshake. Tasty. Must. Drink. Could chugging the rest of that shake cause lasting brain damage?
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.