What is time? An astronomer explains the search to find its origins

Quantum entanglement — when the states of two particle are intertwined by the laws of quantum mechanics — has long vexed physicists. But the phenomenon may also hold the key to understanding how time emerged. Credit: J Jurik Peter/Shutterstock

(This article was originally published in the May 2022 issue of Astronomy). St. Augustine said of time, “If no one asks me, I know what it is. If I wish to explain to him who asks, I don’t know.” Time is an elusive concept: We all experience it, and yet, the challenge of defining it … Continue reading What is time? An astronomer explains the search to find its origins

Astronomy Magazine