In the everyday world, governed by classical physics, the concept of equilibrium reigns. If you put a drop of ink into water, ...

Quantum computer research is advancing at a rapid pace. Today's devices, however, still have significant limitations: For example, the length of a quantum computation is severely limited—that is, the ...

This breathtaking clue about the architecture of consciousness supports a Nobel-Prize winner’s theory about how quantum physics works in your brain.

A physicist has mounted one of the most detailed technical challenges yet against the idea that our universe is a computer ...

Anyone who’s a fan of ‘The Matrix’ might wonder whether what we see is, in fact, reality. If you get an overwhelming feeling of déjà vu, don’t panic—an Agent will soon be with you.