Want to get great pictures of without sitting outside all night? Check out this lightning activated trigger. It works by detecting really fast changes in light—which is either a lightning flash or your 2-year-old going nuts with the light switch—and triggers the camera shutter. The result is a convoluted way to automatically capture lightning without doing work yourself. Unless you count building the thing as work, which may actually be more work than sitting outside.
Source: Solorb via DIYLive via Make