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An exploration of the history of Windows' built-in Pinball game, the collision detection bug that prevented its inclusion in 64-bit Windows (specifically on Alpha AXP), and recent emulation breakthroughs that allow the rare 64-bit Alpha NT build to run the game.
Daniel Lemire explores what fraction of 64-bit integers can be expressed as the product of two 32-bit integers, finding that only about 17% are, with implications for hash function design.