His twin-tape Turing machine is presented on a large PCB ... 74-series logic chips with the tape contents being displayed as two rows of LEDs. The program is expressed as a pluggable diode ...

This collegial dynamic is very much on display with TMD-2, [Michael Gardi ... embodiment of the Turing machine concept. Briefly, the TMD-1 represented the key “tape and head” concepts ...

Two researchers in the Netherlands ... So we chose to fix our tape size to 32 positions." The Turing machine was a purely theoretical concept. Several attempts at crafting LEGO Turing machines ...

That Turing machine is the one described in Turing ... The way the machine runs now, writing only two characters, the tape will store about 1150 bytes of data, or just over 1K.

A working Turing ... long tape with symbols that could be moved left and right, a 'head' that could read the symbols and overwrite them with new ones, a finite control that described the ...

Each connector can move back and forth between two positions ... and a light sensor reads the positions. Turing described a machine with an infinite tape, but the Dutch team didn't have infinite ...

A Turing machine can read and alter symbols on an infinitely long tape, as dictated by a table of rules ... he emphasizes a broader philosophical picture. “There’s two notions of ‘universal,’” he said ...