We’re all familiar with ‘ballparking’ – making rough estimates or vague guesses. Today I want to talk about a particular kind of ballparking, namely how we solve a type of mental puzzle called “Fermi questions”. They were employed by physicist Enrico Fermi during the Manhattan project as fun puzzles to keep up morale (at least

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The British election confounded pollsters and disappointed many, including most of my friends in the UK. I too wasn’t thrilled by the result for many reasons. Here are just a few thoughts on the significance of the election, and how it’ll shape Britain for the years to come. Evisceration of the Lib Dems – very

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