Real numbers don’t cut it in the real world, this physicist argues
They may fall short in describing nature, potentially opening the door in physics to free will
![illustration of numbers](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/05/050718_EC_numbers_feat.jpg?fit=860%2C460&ssl=1)
REALLY REAL The mathematical ideal of real numbers might not appropriately represent the reality of the real world, says physicist Nicolas Gisin.
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