There was once a young lady called Bright,
Who traveled much faster than light.
She started one day
On her relative way,
And came back on the previous night.
This limerickization of a facet of Einstein's theory of relativity is a sample of the witty, plain-speaking physics that has moved over 900 University of California students to sign up for next semester's early-morning (8 o'clock) freshman course, catalogued simply as: "Physics 10. Descriptive introduction to physics." Limerick-wielder, parablist and reason for the rush: the lecturer in Physics 10 this spring, Dr. Edward Teller. The brilliant...