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.

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

PPT - Busy Beaver, Universal Machines and the Wolfram Prize

Wolfram Rule 30 Prizes

TuringMachine—Wolfram Language Documentation

Turing Machine: Most Up-to-Date Encyclopedia, News & Reviews

Universal Turing Machine -- from Wolfram MathWorld

A theory of consciousness from a theoretical computer science

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

Molecular computing: paths to chemical Turing machines - Chemical