Searching text is a cinch, and thanks to facial and object recognition algorithms it’s growing increasingly easier to search within images for an object or person. But search within video--that is, video that has not already been previously viewed and tagged with searchable text--is particularly technologically daunting. But now, DARPA appears to have figured it out, at least partially.
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.