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Physics World Quantum Briefing 2025

Physics World Quantum Briefing 2025

Welcome to the latest Physics World Quantum Briefing, which commemorates the centenary of quantum mechanics and celebrates the 2025 International Year of Quantum Science and Technology (IYQ). This year has been chosen for IYQ as it marks 100 years since Werner Heisenberg carried out his pioneering work on quantum mechanics on the island of Helgoland, off the coast of Germany. So sit back and enjoy this selection of free-to-read articles on the history, mystery and industry of quantum mechanics. It includes an amazing fictionalized tale imaging what might have happened if Heisenberg had never made it to Helgoland all those years ago.

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Sunset on the island of Helgoland feature

Return to Helgoland: celebrating 100 years of quantum mechanics

Grete Hermann feature

Grete Hermann

Cheshire cat feature

Quantum Cheshire cats

Illustration of two pots of water being heated. One is next to a blindfolded Zeno and is boiling. The other is watched by Zeno and is not boiling feature

The quantum Zeno effect

Niels Bohr, illustration feature

When Bohr got it wrong

Large 3D letters read IYQ2025 on a stage lit in blue light news

IYQ launches in style

Black and white sketch of a curled up cat opinion

Ursula Le Guin: popularizing Schrödinger’s cat

Group of people and equipment on the deck of a boat feature

How civil engineering is bringing quantum physics down to earth

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