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Brown dwarf's powerful auroras shine bright

Radio and optical emissions suggest that the sub-stellar objects behave more like planets than stars

Reservoir of ultracold atoms is filled continuously

Device could lead to better quantum accelerometers

Stretchable graphene transistors inspired by kirigami

Japanese art of paper cutting used to make micron-sized electronic and mechanical devices

Electron spins cross over in femtoseconds

New measurements could lead to better spintronics

Pushy bacteria create their own superfluids

Collective motion of bacterial swimming could power tiny motors

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White papers

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Degradation studies of a VECSEL gain structure using a stable green pump laser

The long-term power stability of the Opus 532 laser allows accurate monitoring of performance over several tens of hours. A white paper from Laser Quantum

Separating digital acquisition and processing from local computing via PCIe expansion

A PCIe expansion solution can be a very effective tool to separate the functions of a computer system. A white paper from Vadatech

IOP Publishing Impact Factor growth


The 2014 Impact Factors, published by Thomson Reuters, once again show significant growth for journals published by IOP Publishing.

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One-dimensional quantum wire: physics and applications at ultra low temperatures

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The August 2015 issue of Physics World is now out

Helping scientists to work with politicians, the "Curie complex" and much more



Searching for life on other planets

Podcast Astronomer Sara Seager is keen to use the next generation of telescopes to look for evidence of extraterrestrial life


Why are gamma-ray bursts so extremely interesting?

Video Carole Mundell explains why astronomers think gamma-ray bursts are quite possibly the most extreme objects in the universe

What can we learn by listening to the ocean?

Video From marine earthquakes to dolphins chattering, the ocean rings with noises



Curing the Curie complex

French physicist Hélène Langevin-Joliot – the granddaughter of Marie Curie – talks to Tushna Commissariat about the "Curie complex" and gives her own tips for scientific success



Lab lit revealed

Robert P Crease talks to the founder of a website devoted to literature about laboratories



Room at the bottom

A biography of Silicon Valley's "quiet revolutionary", Gordon Moore, gets Paul Michael Grant thinking about the future of Moore's eponymous law

Innovation & industry


Physics World Focus on Optics and Photonics

Free to read: Our pick of some of the best recent advances exploiting the power of light

For the latest features and products for those interested in innovation and industry, see our special sections on: