In fourth grade science class, we learned that sodium chloride always, always forms simple cube-shaped crystals. That was before a gang of mad potato chip scientists got their hands on it.
In response to the Food and Drug Administration's imminent consideration of regulating the amount of sodium food manufacturers can include in consumer goods, Pepsico, whose Frito-Lay division makes Lay's potato chips, is redesigning the good old salt molecule to make it healthier.
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.