Equivalence for Turing Machines is Undecidable
13:26
Undecidable Language Example: Moving Left Three Times in a Row
12:07
Acceptance for Turing Machines is Undecidable, but Recognizable
9:00
Emptiness for Turing Machines is Undecidable
7:37
The Halting Problem - An Impossible Problem to Solve
17:56
Busy Beaver Turing Machines - Computerphile
25:13
Multi-Tape Turing Machines
5:27
A Sad Moment in American History
6:14