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.

The Wolfram 2,3 Turing Machine - Wolfram Demonstrations Project

Universal Turing Machine -- from Wolfram MathWorld

Turing, von Neumann, and the computational architecture of biological machines

Turing machine - Wikipedia

The Wolfram 2,3 Turing Machine

Wolfram 2,3 Turing Machine Research Prize : Some Notable Universal Turing Machines

Universal Turing Machine -- from Wolfram MathWorld

2007: A bounty is put—and claimed—on the simplest universal Turing machine—Stephen Wolfram Scrapbook

PDF) Program-size versus Time Complexity Slowdown and Speed-up Phenomena in the Micro-cosmos of Small Turing Machines

How do we know that the Turing machine is as good as a computer can be? How do we know that it's impossible to build a computer that can compute something a

Wolfram 2,3 Turing Machine Research Prize: Gallery