New posts in Turing Machines

How can Busy beaver($10 \uparrow \uparrow 10$) have no provable upper bound?

What sorts of extra axioms might we add to ZFC to compute higher Busy Beaver numbers?

What is the difference between recursive and recursively enumerable languages

Difference between Turing-Decidable and Co-Turing-Decidable

Is a Turing machine a real device or an imaginary concept?

What's a Turing machine?

What is Turing Complete?