Superconductor: Non-contact transportation

This video describes how the cool technology of superconductors in magnetic levitation works.
This may be the transportation of the future. But cooling superconductor may cost more.

3D Technology

DigitalCameraInfo.com. Cool technology shown at Photokina 2006 including 3D scanning, 3D printing and laser etching.

Hypnotism Fly

Underwater Undercover

Learn how denizens of the deep stay hidden and mimic other creatures.

How To Direct Traffic In Iraq

Simple but effective way to control traffic.