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Quantum computers could usher in a crisis worse than Y2K

The day when a quantum computer manages to break common encryption, or Q-Day, is fast approaching, and the world is not close to being ready

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Pet owner feeding his tabby cat.

Life

Tweaking the smell of cat food can encourage fussy felines to eat

News

Physics

Quantum batteries could be charged by reversing time

News

Physics

Physicists resolve a long-standing puzzle over the size of a proton

News

Sci-fi show The Miniature Wife underwhelms – despite the big names

Comment

Sci-fi show The Miniature Wife underwhelms – despite the big names

Culture

Tower of device made of copper discs connected by glowing wires and vacuum tubes. Illustration of the concept of quantum computer and computing

Technology

We urgently need to prepare for quantum computers breaking encryption

Leader

2R2EXK8 Cyborg woman face detail in dark space.Metaverse AI artificial intelligence data analysis technology.3d illustration.

Technology

Two excellent new sci-fi novels tackle robots in very different ways

Culture

Physics

Quantum entanglement can be measured in solids for the first time

News

Professor Sir John Pendry FRS, Chair in Theoretical Solid State Physics, Imperial College London, who has made seminal contributions to research in metamaterials and photonics, surface science, and disordered systems and localisation. Cloaking devices, perfect lenses and the super high-speed computer chips of the future are just some of the practical applications of Sir John's theoretical research.

Physics

The invisibility cloak inventor now has better tricks up his sleeve

Features

Physics

How a century-long argument over light’s true nature came to an end

Two of the forefathers of quantum theory, Albert Einstein and Niels Bohr, had a famous argument over whether light is a wave or a particle. Columnist Karmela Padavic-Callaghan finds that the matter has been settled once and for all

Comment

Physics

We're solving the fundamental mystery of how reality is glued together

Features

Technology

The first quantum computer to break encryption is now shockingly close

News

Comment

The best new science-fiction books of April 2026

Culture

Physics

How Anthony Leggett pushed the boundaries of quantum physics

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