Here's a neat invention that looks good. Beep Industries wants you to make their iPhone 4 camera button/grip a reality. The Red Pop will use the base of the iPhone 4 and uses a 30 pin connector to connect the shutter control. You'll be able to get a good grip, plus there's a button that you can use to snap pictures, like a real camera.
Wired has published a very nice feature on Kip Thorne and the science behind Chris Nolan's Interstellar. Kip Thorne is one of the world's most celebrated theoretical physicists. He and Nolan worked together to ensure depictions of scientific happenings in the film are as accurate as possible. Read more