Chemistry is like... a crowd
Tom Husband explains how the behaviour of big crowds is easier to predict than small ones
On average, school students spend 29 hours each week watching some form of electronic screen, such as laptops, televisions and mobile devices. But would you put big money on a particular student having spent exactly that amount of time in that way last week? Not a chance. It wouldn’t be a smart bet because people are like particles: we might be able to successfully predict how the crowd will behave, but not the individual.
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