Alex’s Adventures in Numberland

Proving maths can be fun, Sara Jebril takes us through the rabbit-hole of Alex Bellos’ book.

Place one grain of wheat on the corner square of a chessboard and continue doubling across adjacent squares. “How much wheat would you need to fill the final square?”, Alex Bellos writes. “If you started counting a grain of wheat per second at the very moment of the Big Bang 13 billion or so years ago, then you would not even have counted up to a tenth of 263 by now”.
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