Unlike binary bits of information in ordinary computers, “qubits” consist of quantum particles that have some probability of being in each of two states, designated |0 and |1 , at the same time. When ...

How do you construct a perfect machine out of imperfect parts? That’s the central challenge for researchers building quantum computers. The trouble is that their elementary building blocks, called ...

They conjectured in the Journal of High Energy Physics that space-time itself is a code—in anti-de Sitter (AdS) universes, at least. The paper has triggered a wave of activity in the quantum gravity ...