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Headlines

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

Metal foams could make promising radiation shields

Environmentally friendly foams could be used in everything from space travel to nuclear reactors

Weyl fermions are spotted at long last

Solution to the Dirac equation detected 85 years after it was predicted

'Metasheet' blocks a narrow band of radiation, letting the rest pass

Material made of metal helices could be used for radar cloaking

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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

journals

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

A webinar sponsored by Oxford Instruments NanoScience

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Multimedia

podcast

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

video

What can we learn by listening to the ocean?

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

How do you produce laser light with bespoke colours?

Video It's a bit like kicking a football in a valley

Features

feature

The green flash

Pete Lawrence describes his quest since childhood to see this elusive phenomenon

The restless rocks of Racetrack Playa

The rocks in California's Racetrack Playa are on the move, but how? Brian Jackson describes how he and his colleagues solved a decades-old mystery

Opinion

opinion

Lab lit revealed

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

Reviews

review

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

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:

Fusion

Software

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