Remember Rubik's Cube?

A woman devised a famous solution method, Virginia Heffernan tells us.

These days Jessica Fridrich teaches electrical and computer engineering at the State University of New York at Binghamton, where she specializes in digital forensics. But she’s best known for having discovered the popular Fridrich method of cube-solving in the early ’80s. And the knack has stayed with her: she’s still among the fastest cubers in the world. See the Fridrich spread here: www.ws.binghamton.edu/fridrich/cube.html