Say goodbye to the days of monochrome night vision footage, folks. Sharp recently unveiled an infrared security camera that captures color 720p video, even in absolute darkness. The trick is an imaging sensor that uses near-infrared for illumination; unlike virtually every other competitor, this camera doesn't have to resort to conventional lights (and thus give itself away) to get a vivid picture. It's based on tech we've seen before, developed by Japan's National Institute of Advanced Industrial Science and Technology (check out some video from a 2011 demo embedded after the break.) The device will likely be limited to corporate and government customers when it goes on sale in late November, but it could have a big impact on your safety. Building managers will soon have an easier time identifying intruders, not just spotting them -- while the technology might not stop a break-in, it should increase the chances of catching thieves before they strike again.