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Why mathematicians just can’t quit their blackboards

Photographer Jessica Wynne captures the peculiar devotion of academics to working out their problems with chalkAnother year, another wave of students trampling across autumn leaves, making their way to their first lectures heady with a cocktail of exci…

Education Mathematics Science

Did you solve it? Getting coins out of the bank

The answer to today’s money problemEarlier today I set you the following problem. It was a tricky one, and judging from the BTL comments the solution is eagerly awaited. Let me restate the problem before we get there. It concerns a game on a grid with …