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Slime mold approximates Tokyo's railway network

Harvard Magazine · Demo · 1 min · 2010 · YouTube title: Slime mold form a map of the Tokyo-area railway system
Why it's here

Referenced as a vivid illustration of explore-then-exploit optimization and decentralized network design.

What it covers

A one-minute clip of slime mold placed on a map with food at the cities around Tokyo, growing a network that approximates the Tokyo-area railway system.