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quantum information theory

Q&A

Quantum Computing Without Qubits

A quantum computing pioneer explains why the near future of quantum computation may lie in simulators, not general-purpose quantum machines.

quantum computing

Forging a Qubit to Rule Them All

A scientist at Bell Labs has started construction of a topological qubit, which could be the building block of a robust, scalable quantum computer.

The arrow of time.
time

Time’s Arrow Traced to Quantum Source

A new theory explains the seemingly irreversible arrow of time while yielding insights into entropy, quantum computers, black holes, and the past-future divide.