SCIENCE HOBBYIST: Traffic Waves, physics for bored commuters http://trafficwaves.org/
How would one explain the why and how of Traffic Waves in such a small space? And don't forget to include a shout-out to trafficwaves.org.
"I drive nice 'n' slow to avoid the stop 'n' go."
"I drive slow 'n' steady when traffic's getting heavy."
:)