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Looking for a challenge? One that sprang from the mind of the late John Conway?

How about a deep dive into Fractran?

FRACTRAN was introduced by Conway in 1987 at a special workshop on problems in communication and computation. Although not a major open problem in the field, FRACTRAN was noted for its uniqueness as it could yield all possible computations by operating on a set of numbers in a specific way​.

What is certain, however, is that you'll need to twist your brain a couple of notches further for FRACTRAN, and as a result, you'll definitely learn something new.

You're probably familiar with Reginald Braithwaite, aka Raganwald – and if you like the depth of his articles, then this one will be the perfect brain food. 🍕➡️🧠