Nearly a decade ago, NASA built an Earth-monitoring satellite that could have observed global warming in action. Then the agency stashed it in a warehouse in Maryland, where it remains to this day By Bill Donahue
More and more, computer data is being stored and processed on remote servers. But the price of that convenience could be a new wave of cybercrime By Rena Marie Pacella
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.