Keyboard and mice made out of tempered glass and a solid metal base. When the glass is touched it frustrates the reflection and the IR light is diffused and allows the camera to see it. It's only a prototype, but I really hope this will be available soon.
Tata commercializing an air-powered car. Tata successfully demonstrated compressed air engines in its vehicles, and will work with MDI to bring this technology to market. (CNET Reviews The Car Tech blog) May 17, 2012 4:35pm PDT)