Wolfram 2,3 Turing Machine Research Prize : What is a Turing Machine?

What is a Turing machine -- background information for the Wolfram 2,3 Turing machine research prize
Wolfram Science -- The Official Website of Stephen Wolfram's 'A New Kind of Science' book. Free online access to the complete book.

Wolfram 2,3 Turing Machine Research Prize: Technical Details

TuringMachine—Wolfram Language Documentation

Today We Put a Prize on a Small Turing Machine—Wolfram Blog

Twenty Years Later: The Surprising Greater Implications of A New

Universality in Turing Machines and Other Systems: A New Kind of

What is the Universal Turing Machine in layman's terms? - Quora

Turing Machines: A New Kind of Science

Turing Machine -- from Wolfram MathWorld

Turing machine - Wikipedia

Universal Turing Machine -- from Wolfram MathWorld

Turing machine - Wikipedia, the free encyclopedia

2007: A bounty is put—and claimed—on the simplest universal Turing

Turing, von Neumann, and the computational architecture of

$25000 Controversy