We've seen gooey lenses before, the Varioptic variety already having found a home in an honest to gosh retail product. But, this is a little different. It's called the "eyeball camera," a curvilinear lens and sensor system developed by a team at Northwestern University and the University of Illinois at Urbana-Champaign. It uses a similar sort of flexible design, this one actuated by varying the pressure of fluids in the device -- higher pressure for convex, lower pressure for concave. Interestingly here the camera sen