Physics in Science Fiction
The following is a "slides and notes" version of a talk,
written and presented to the Johns Hopkins University Society of Physics
Students by Andrew E. Love
Jr, a long-standing subscriber, and frequent contributor, to the
Larry Niven mail list.
Real Ringworld Stability Plot
Here's the real Ringworld potential function, calculated by integrating the total force on the Ring - note the rapid drop off. That's why even with attitude jets, the Ring is probably only metastable - a big perturbation might overwhelm the jets' ability to restore the Ringworld to its proper place.