021 = Inharmonics and Skin-harm-tonics
A Problem Squared
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How to Get Free Health Care in an Emergency
Matt Parker fell off his bike while cycling and injured his knee. He spent three hours in an A&E waiting room with no phone or way to pass the time. So he decided to do all past time maths on a piece of paper instead. Now, if you can think of anything else we could do with our left over helmet, send it to us at problem squared@mailonline.co.uk.
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