A question of quantum time

A centrepiece of Prof Stephen Hawking’s theory of black holes states that black holes can only grow. Thanks to precision observations made with the Laser Interferometer Gravitational-Wave Observatory

Jo Marchant In Search of Now The science and mystery of the present moment 336pp. Canongate. £20. Robert M. Hazen and Michael L. Wong Time’s Second Arrow Evolution, order, and a new law of nature 176p

Amazing answers to your curious questions

We go back to the future to find out whether or not this iconic vehicular time machine is complete science fiction

It’s a little-known fact that Albert Einstein developed his theory of relativity while doing high-intensity intervals on his turbo trainer. As he was digging in for a minute at 400 watts, the physicis

Scientifically speaking, there is no such thing as ‘touching’ something. When objects with mass – any objects with mass – touch each other, they aren’t physically in contact at all. There are two reas