Computer Science
configuration of Turing machine
What's a Turing Machine? (And Why Does It Matter?), by Marin Benčević, Background Thread
Turing Machines
New in the Open Logic Project: Turing Machines – Open Logic Project
PDF] A simplified universal Turing machine
Comp sci. Paper 1 Topic 6: (4) Turing Machines Diagram
reference request - Complexity of Turing Machine behavior - MathOverflow