51¶¯Âþ

Earth science

dimensions image

Physics

Cosmic uncertainty: Are there really just three dimensions?

Many physics theories demand the existence of more dimensions of space. If they do exist, we might be perceiving them as something else

Features

quantum weirdness

Physics

Cosmic uncertainty: Could quantum weirdness be even weirder?

Features

clock

Physics

Cosmic uncertainty: Does time go both ways?

Features

symmetry artwork

Physics

Magnets, boiling kettles and the secret code underlying reality

Features

Computer image of a cat

Technology

AI learns to solve quantum state of many particles at once

51¶¯Âþ

Analogue alarm clock

Physics

One time or another: Our best 5 theories of the fourth dimension

Features

face artwork

Physics

Essence of reality: Hunting the universe's most basic ingredient

Features

Mary Jackson

Space

When computers were human: The black women behind NASA’s success

Features

Katherine Johnson

Space

Katherine Johnson: The brilliant woman who got the US into space

Features

multiverse artwork

Physics

Mapping the multiverse: How far away is your parallel self?

There seems to be an infinity of invisible worlds lurking out there. Now we’re starting to get a handle on where they are, and what it might take to reach them

Features

Technology

Squeezed light cools tiny drum to coldest temperature ever

51¶¯Âþ

Life

Reindeer riddle: How do you tell caribou apart?

Features

Technology

Don’t believe the Skype: We never wanted to video call people

Features

Humans

Holiday brain-off round 3: Build the Tower of Hanoi

Features

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop