The Gray Code
Spending some time researching Gray Codes via Wikipedia; these things are all over the place! It looks like Chinese Rings has been around since 2nd century A.D., not 15th century as previously thought. There’s also a million patents out there for “fast” solutions and exotic permutations of the code. Almost every complex circuit uses the codes as a form of error correction, and Beckett even wrote a play with the actors entering and leaving the stage in a special Gray code order! Actually, Beckett was unable to “solve” the code with only 4 actors following his … Continue Reading