A strange little side quest
If Photon Path sends you down a curiosity rabbit hole, start here. Alexey Pajitnov created Tetris in 1984 after drawing inspiration from pentomino puzzles, then simplified the idea around shapes made from four squares. The surprising part is how quickly the next milestone followed. In 1958, Tennis for Two used an analog computer and an oscilloscope to turn simple physics into a playable tennis-like demonstration. The screen is modern; the urge to test skill, pattern and timing definitely is not.
