Every month in Popular Science we feature 12 must-have products. The goods might range from skateboards to dental floss to laser televisions, but they all share one thing—a tech innovation that's never been used in such a way before. Here, we've collected over 100 of our top picks.
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.