Plot summary
An engineering student dies by what is ruled a suicide, but Charlie suspects foul play. Don disagrees, but he agrees to help Charlie investigate whether the student was murdered because of his research into a building's structural integrity. Alyson Reed, Douglas Sills, and David Hunt guest star. The Hyatt Regency walkway collapsed in 1981 as did the Hartford Civic Center in 1978. The episode concludes with Don Eppes saying that Occam's razor says "that the simplest answer is usually the right one." Mathematics used: Pendulum and Foucault pendulum
Credits
Adapted from Wikipedia contributors, Numbers season 1. HTML formatting and reference markers removed.