Time’s passage is non-negotiable. Its flow marks the progress of our lives, moving clearly in one direction. It is, by nature, asymmetrical. In this way, we perceive it to move like an arrow, ...

For over a century, scientists have thought of time as a fundamental property of the universe. But the more researchers seek ...

When exchanging the input and output ports of a quantum device, the resulting evolution satisfied the time-reversal properties of the initial evolution, thus obtaining a time-reversal simulator for ...