Cool, but usable? An article about newly presented HMD Displays and their usage scenarios.
Amazing Robotic Animals
The German Company Festo created a series of robotic flying and swimming animals. Really fascinating.
Painting with a laser
This project allows to paint virtually with a laser. The laser is tracked with a camera while the software generated “painting” is then projected with an video projector. The Source code for the tracker is open source. How To and source code