![]() | Pythagoras'' Revenge: A Mathematical Mystery Arturo Sangalli is a freelance science journalist and writer. He has a PhD in mathematics from the University of Montreal. He is the author of The Importance of Being Fuzzy: And Other Insights from the Border between Math and Computers (Princeton) and has contributed many pieces to New Scientist . |
![hidden image for function call](https://upload.wikimedia.org/wikipedia/commons/c/ca/1x1.png)