Here's a cool addition to the "iOS-devices-can-do-just-about-anything" list: using a US$0.99 app to turn your iPhone 4, iPad 2 or latest-generation iPod touch into a 3D scanner, replacing hundreds of dollars worth of last year's technology.
Trimensional was developed by Grant Schindler, a research scientist in the School of Interactive Computing at Georgia Tech's College of Computing. It uses the device's screen to light the object being scanned from four different directions, allowing a 3D model to be produced. Originally, users could only email their scans or send 3D animations, but now Schindler has added an in-app upgrade for a few d