His complex equations describe the havoc
wreaked by catastrophic collisions.
By William Speed Weed
Posted 10.29.2004 at 8:05 pm 0 Comments
Powerful explosions take place near James Walker’s office in San Antonio, Texas, every day. At two adjacent shooting ranges, testers fire guns, and in a third facility built to simulate massive impacts, they smash materials into targets at more than 25,000 miles an hour.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.