51��

Skip to content

Beating heart of a quantum time machine exposed

This super-accurate timekeeper is an optical atomic clock and its tick is governed by a single ion of the element strontium

Regulars

Dwarf planet Eris may reveal quantum gravity

Space

Dwarf planet Eris may reveal quantum gravity

51��

Quantum shadows: The mystery of matter deepens

Physics

Quantum shadows: The mystery of matter deepens

Features

Earthworms roped into making quantum dots

Life

Earthworms roped into making quantum dots

51��

Victorian counting device gets speedy quantum makeover

Physics

Victorian counting device gets speedy quantum makeover

51��

Photo puzzle: Can you make the connection?

Photo puzzle: Can you make the connection?

CultureLab

Soft, strong and long: The story of toilet paper

Life

Soft, strong and long: The story of toilet paper

Features

Tricksy type: how fonts can mess with your mind

Life

Tricksy type: how fonts can mess with your mind

Features

Feast for the senses: Cook up a master dish

Life

Feast for the senses: Cook up a master dish

Features

Fleadom or death: Reviving the glorious flea circus

Life

Fleadom or death: Reviving the glorious flea circus

The parasite-based sideshows were almost done for by the domestic vacuum cleaner – but they are bouncing back, finds Graham Lawton

Features

Life

Three gods: The hardest logic puzzle ever

Features

Life

Marvellous mistletoe: Giving forests the kiss of life

Features

Life

Dangerous liaisons: Fatal animal attractions

Features

Technology

Shiver me timbers: The coolest warship ever made

Features