In 1798, an autistic man named Henry Cavendish was able to determine the weight of the Earth – and the value of gravity – by hanging two lead balls in his backyard shed.
Pulling off this amazing task a century before electricity was invented, the work of Cavendish was done to a 99% accuracy rate – still forming the basis of many scientific endeavours today.
Sound a little absurd? That’s because it is.
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