Computer tennis, anyone?

Brookhaven Lab’s 1958 innovation earns a prominent place in the history of video games. The crowd wound out the door at Brookhaven National Laboratory's open house on October 18, 1958. Visitors lined up for an interactive exhibit, designed by William A. Higinbotham, a nuclear physicist who led the lab's Instrumentation Division. On a small, round monochrome screen similar to those used in early radar displays, a couple of green-lit lines and a streaking green dot had captured their attention.