Qubits differ from classical bits, which are coded as only 0 or 1. A qubit can be a combination of both 0 and 1 simultaneously. One way to think of it is as a coin spinning between a 0 and a 1 axis.

Physicists show knotted cosmic strings may have dominated the early universe before collapsing to create matter—a theory ...

Physicists finally identified why some quantum materials seemingly lose their electrical conductivity for no reason.