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Time travel and black holes: The weird promise of Einstein’s universe

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Time travel and black holes: The weird promise of Einstein’s universe

Astrophysicist Emma Osborne takes us on a journey through Einstein's universe: fall through a black hole, watch gravitational waves being made and learn how to time travel.

Video

Illustration of a supermassive black hole

Space

Some planets may orbit a supermassive black hole instead of a star

News

blurred man

Physics

The time paradox: How your brain creates the fourth dimension

Features

Albert Einstein smoking a pip

People in Science

Albert Einstein

General_relativity

Definition

General relativity

Second law of thermodynamics

Definition

Second law of thermodynamics

Black holes

Definition

Black holes

Svalbard vault

Earth

Underland is a profound journey into the mirror world of the dead

Culture

stone inscription

Physics

Time Tries All Things review – Take time out to enjoy a dreamlike show

Culture

Helen Margolis: How atomic clocks let us keep time like never before

Video

Helen Margolis: How atomic clocks let us keep time like never before

Helen Margolis is a keeper of the UK’s atomic clock, so she’s up to the minute on the mysteries of time.

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Video

Carlo Rovelli: The nature of time

Video

Earth

Timefulness review – our impulsive and pugnacious age needs geology

Culture

Humans

Idly tapping your fingers can make you think time has slowed down

News

Technology

A trip into the past: Swiss watches, Korean ginseng and UK tea breaks

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