xkcd comic creator Randall Munroe on the thrill of physics
18 September 2019
The cartoonist and engineer talks time travel paradoxes, absurd interviews with astronauts, and how strange science can fix everyday problems
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Premium
50-year old maths problem about an infinite lottery finally solved
14 September 2019
A 50-year-old maths problem has finally been solved, and it shows that even an infinitely large lottery ticket could not contain every winning solution
Baffling maths riddle that looks like a pile of worms almost solved
12 September 2019
The Collatz conjecture is simple to state but has baffled mathematicians for 80 years. But a man dubbed the 'Mozart of maths' has now almost proved it
