This Week: Pitching the biomechanics
In the News: Texas is dry and hot. Global warming?
Missile defense: Protective shield, or dangerous myth? New tests do little to solve the problem.
Computer animation powers A Bug’s Life to the box office. What is wire-frame animation? What other techniques are used to bring pixels to life in the movies?
Okay, maybe it’s not an invasion, but there are robots on Mars, in cars, and down in the deep blue sea. How do robots know what to do?
Are air bags dangerous if used properly? How do air bags work, and why are they being used on Mars?