At the University of Montreal, researchers have found a drug that seems able to decrease a person's recall of a bad memory. It's not exactly Eternal Sunshine of the Spotless Mind, but it's a pretty remarkable step down the road to active memory modification. And it worked out so well in the movie, right? I haven't watched the whole thing but it really did seem like Jim Carrey was going to be happy with his new memories.
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.