Taken from the January 2022 issue of Physics World where it first appeared under the headline "The twin streams of time". Sidney Perkowitz reviews The Janus Point: a New Theory of Time by Julian ...

Physicists in South Africa ran the math on collapsing neutron stars and landed somewhere odd. Researchers from Durban ...

For a technical scientific term, entropy is pretty popular. I mean, it was the title of an episode of Buffy the Vampire Slayer, after all. Search the Internet for “entropy” quotes and you’ll find them ...

Caltech physicist Sean M. Carroll has been wrestling with the mystery of time. Most physical laws work equally well going backward or forward, yet time flows only in one direction. Writing in this ...

Why does time flow from the past to the future? That’s an extraordinarily deceptively simple question. It seems so, well, straightforward. But when you start to really investigate it, you wind up ...

Every moment that passes finds us traveling from the past to the present and into the future, with time always flowing in the same direction. At no point does it ever appear to either stand still or ...