It's not hard to find smart lightbulbs that bow to our every whim. Creating a well-coordinated light scheme can be difficult without tweaking elements one by one, however, which makes the Japan Science and Technology Agency's Lighty project that much more elegant. The approach lets would-be interior coordinators paint degrees of light and shadow through an app, much as they would create a magnum opus in Photoshop or a similar image editor. Its robotic ligh
