The Unbeatable Game from the 60s: Dr NIM
Stand-up Maths1 HN recommenders · 2016–2023
7.2M views · explainer · evergreen · Uploaded 2016-01-26
Matt Parker of Stand-up Maths explains single-pile Nim and the trick that wins it, using Dr NIM, a 1960s mechanical plastic computer that plays perfectly. He teaches the strategy so viewers can beat friends.
HN links it as a fun explanation of the purely mechanical Dr. Nim game in threads about early game computers and marble-based binary math.
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3 comments from Hacker News
These remind me of Dr. Nim, the unbeatable single-player board game from the 60s, which also used marbles to do binary math: [VIDEO]
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If this kind of thing amuses you can buy a purely mechanical implementation called either Braino or Dr. Nim for about £10. Here's a video on the subject from Matt Parker @ Standup Maths. [VIDEO]