READERS of a certain age may remember “Fireball XL5”, a children’s television programme devised by Gerry Anderson about a spacecraft of that name. Instead of taking off vertically, as real spacecraft ...
A simple, step-by-step breakdown of two “perfect” math proofs. But which prime number is p? It must be on our list of primes, because our list is complete. But it also can’t be on our list of primes, ...
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