Featured Essays

What Is Turing Complete? Infrastructure, Computation, and the New Motor of History
Greg Laugero Greg Laugero

What Is Turing Complete? Infrastructure, Computation, and the New Motor of History

Turing completeness asks whether a system can, in principle, express any computable procedure. But “in principle” hides a physical caveat: unbounded time and memory. Infrastructure—data centers, GPUs, cooling, networks—is the material extension of the Turing tape. It does not change what is computable, but it radically changes what is feasible, viable, and adoptable.

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