Last year the criminals of Santa Cruz, California, stole 160 cars and committed 495 burglaries. For a city of 60,000, that’s about average. And so are the challenges facing its police force. Since 2001, the SCPD has laid off 10 of its 104 officers, even as the city’s population grew by 5,500. The department now has to do more with less, which is the story of just about every police force in America. But this summer, the way the SCPD fights crime changed.
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.