Airborne Ultrasound Tactile Display

Airborne Ultrasound Tactile Display is a display technology for creating holograms one can actually 'touch' and manipulate with hands.
i'm really impressed with what one can construct with some wii-motes and ultrasound.. but see for yourself!

Video: Airborne Ultrasound Tactile Display - fühlbare Hologramme (2:37)

As real as possible

When once upon a time people pushed the use of pc's in offices very often 'reducing paper' and therefore 'increasing tidyness' and 'better organization' were important selling points - as virtual desktops somehow tend to enforce these things.. but for the price of keeping people structured against their natural habits :)
As now it becomes fashionable to adapt machines more to human needs than vice versa, new interfaces start to make chaos possible again.

Check out the video: