List by Author: Bill Casselman
On the dissecting table 
Bill Casselman writes about the intriguing amateur mathematician Henry Perigal, who took his elegant proof of Pythagoras' Theorem literally to his grave - by having it carved on his tombstone.
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Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.
Teo tells us about his work in artificial intelligence, his travels around the world, and how inspiration sometimes strikes in the pub.
Clouds make the weather, yet their detail isn't taken into account in weather forecasts. Artificial intelligence might be able to help.
Predicting the weather is hard. But with more data and computing power becoming available, artificial intelligence may be able to help.
How does your phone know what the weather's going to be like?
How a little insect can cause chaos.