Trains go on rails, not on roads! Silly train.

If you're a nuclear plant owner who needs to haul slightly radioactive steam generators across the United States, there's only one answer: a 192-wheel, 400-foot-long road train that tops out at 15 mph. This is just the front half.

Researchers successfully tested a Volvo "slaved" to a truck in a test of technology designed to let drivers focus on anything but driving. The goal is to create "platoons" of undriven cars to lower congestion and boost safety. Scary. [BBCNews]