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What the thermodynamics of clocks tell us about the mysteries of time

Physics

What the thermodynamics of clocks tell us about the mysteries of time

Surprising new insights about the strange physics underlying how clocks work could transform our understanding of time's arrow – and hint at how time works at the quantum scale

Features

WHY does time only move forward?

Physics

Why does time only move forwards? Possibly just because we’re ignorant

Features

Stopwatch at swimming race

Technology

Stopwatch errors could make race times wrong by a tenth of a second

News

When time runs backwards: What thermodynamics can tell us about life

Physics

When time runs backwards: What thermodynamics can tell us about life

Features

Measuring time accurately increases the entropy in the universe

Physics

Measuring time accurately increases the entropy in the universe

News

Did time flow in two directions from the big bang, making two futures?

Physics

Did time flow in two directions from the big bang, making two futures?

Features

Sean Carroll event image

How time works with Sean Carroll

ROBERT PATTINSON and JOHN DAVID WASHINGTON in Warner Bros. Pictures’ action epic

Technology

Tenet review: Time twisting fun that is head-spinningly hard to grasp

Culture

Inside the incredibly slow race to reinvent time

Physics

Inside the incredibly slow race to reinvent time

Features

Gravity

Definition

Gravity

Gravity is the fundamental force that determines how massive objects interact.

Space

Why it's better to fall into a big black hole, and other bizarre facts

Features

Space

Astronomical time can help us put lockdown into perspective

Comment

Physics

In the quantum realm, cause doesn’t necessarily come before effect

Features

Humans

William Gibson's Agency drops time-travel paradoxes for big questions

Culture