I'm pleased to announce a product that I've been working on for a little bit: Molecules for the iPhone / iPod Touch. Molecules is a free 3-D molecular viewer for Apple's handheld devices which lets you manipulate DNA, proteins, and other biomolecules with your fingers. Using a single finger, you can rotate the molecules, and pinch gestures zoom in and out on the molecule. Moving two fingers at once pans across the molecule.
Read on for more about Molecules, including the story behind its development.