In Hitler’s Germany, a handful of physicists bristled at the mere mention of quantum theory. The troubling uncertainties of Einsteinian relativity and other physical exotica were viewed as “Jewish ...

Melvyn Bragg and guests discuss the physics of time. When writing the Principia Mathematica, Isaac Newton declared his hand on most of the big questions in physics. He outlined the nature of space, ...

Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that describe gravity, quantum fields and the structure of spacetime now allow ...

The mishaps caused by time travellers exploring the past are a staple of science fiction. But what does physics think? One of the most common occurrences in Doctor Who is characters getting into ...

Intuitively, we know what time is, but try to explain it, and we end up tying our minds in knots. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.