It’s a little hard to get much substantial from the press release, but it appears that the University of Cambridge and Alps Electronics are developing tiny LCD projectors that use holography to project sharp, bright pictures. [digg]

Acoustic sensors could turn your entire desk (or just about any surface) into a touchpad. You could have a lot of fun imagining the applications: the linked article mentions a globe that sends geographic data to an attached screen based on what you touch. [slashdot]

Remember those semi-medieval looking metal plates the shoe geek at Sears used to pick the right size shoes? The future of shoe sizing has six 3-D cameras to map every plantar’s wart and bone spur, and to store the data for posterity.

Looking for an investment opportunity? How about taking a piece of the billions spent annually in, on and around prisons. Here’s my favorite: “Incarceration Optimization Program International in New York City [offers] a 100-hour, $20,000 course that instructs mainly white-collar criminals on the finer points of prison etiquette.” [digg]

Wrap a video around a real-world object with video objects. “Once the system is aligned the projected videos can be exchanged in realtime by drag and drop in a VJ-like manner.” Today it’s some polymath’s tech project, tomorrow your kid’s McDonald’s toy. [wmmna]