“A reclusive Russian mathematician solves a $1 million question but refuses to take the prize money. Grigory Perelman has found a way to quantify voids, and has a proven the Poincaré conjecture. Proposed in 1904, it is based on topology — a geometry-related branch of mathematics that deals with spatial properties; the conjecture essentially states that any shape without a hole can be bent or stretched to form a sphere.” from The Utopianist via Techland

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