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Nobel laureate James Cronin dies at 84

Particle-physics pioneer co-discovered CP-symmetry violation in decaying K mesons

Giant two-atom molecules are the size of bacteria

Rydberg macrodimer is a quantum-mechanical gold mine

Rocky planet found in habitable zone around Sun's nearest neighbour

Earth-mass planet – which could have liquid water on its surface – orbits Proxima Centauri

Magnetic bacteria target hard-to-treat tumours

New technique transports drugs into solid cancers

Optical link connects atomic clocks over 1400 km of fibre

Connection is important step towards European network of ultra-precise timekeepers

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The taccor comb – high-power frequency comb with 1 GHz mode spacing

Optical frequency combs based on femtosecond lasers have become invaluable tools in optical metrology and spectroscopy. A white paper from Laser Quantum

2D Materials celebrates Impact Factor: 9.611

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We are delighted to announce that 2D Materials has received a first Impact Factor of 9.611. We are very grateful to our Editorial Board, authors and readers for embracing 2D Materials and we hope to continue to serve researchers working in this exciting field in the future.

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The optimization of medical accelerators is the goal of a new network within the FP7 Marie Curie Initial Training Network scheme. Watch this video to learn more about the early-stage researcher opportunities available.

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Multimedia

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The monk and the multiverse

Podcast A journey into the remarkable mind of the 13th-century monk, scholar and proto-cosmologist Robert Grosseteste

Why do we need synchrotrons to study superconductors?

Video How synchrotrons help reveal the mystery of high-temperature superconductivity

What are the potential applications of topological insulators?

Video Why topological insulators could boost electronics and quantum computing

Features

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A light-connected world

Harald Haas explains how ordinary LED light bulbs could become our portals to the digital world thanks to a new wireless communications network that uses visible light

Opinion

opinion

In praise of Descartes

Robert P Crease tackles Steven Weinberg's criticisms of René Descartes

Reviews

review

Nuclear power's ups and downs

A timely book on the history of the UK nuclear power industry, reviewed by Geoff Vaughan

Thinking big thoughts

Vlatko Vedral is wowed by cosmologist Sean Carroll’s paean to "poetic naturalism" and the ability of science to bring meaning to the world

Innovation & industry

Focus issue

Physics World Focus on Vacuum Technology

Free to read: Challenges, applications and solutions

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Fusion

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