Psychedelic math

Prime number patterns

Thanx to andrewducker

Sally Ride 1951-2012

But there were still rough spots. Before the first shuttle flight, Dr. Ride — chosen in part because she was known for keeping her cool under stress — politely endured reporters’ asking whether spaceflight would affect her reproductive organs, whether she planned to have children, whether she would wear a bra or makeup in space, whether she cried on the job, how she would handle menstruation in space.