It's the stuff of science fiction - the ability to see through walls and other solid objects, in real-time. But thanks to an enterprising group of University of Wollongong students, that's now possible - cape and tights optional. Alex Seng, Matthew Kitchener, Wenbin Shao, Jie Yang and Yhenxin Feng's work on the aptly-named Compressed Sensing Imager, or CSI, recently gained them a national innovation award.