NXT Turing machine

This interesting use of Lego popped up on the mailing list of the University of Bergen. Build by a group of Norwegian Danish students, it’s a simple computer that implements Alan Turing’s design from 1937. Having both read and write functions, it implements its own (somewhat inefficient) medium of non-volatile memory. What we find interesting is that rather than move the ‘tape’ through the machine, the machine rolls over the tape. Thanks to [Thorsten] for the tip.

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