Semiconductors and electronics Research update New single-photon source could boost quantum cryptography Simple and reliable device is based on LED technology Read article: New single-photon source could boost quantum cryptography
Transport properties Research update Dirac cones could exist in bismuth–antimony films Band structures could be engineered to create a range of electronic devices Read article: Dirac cones could exist in bismuth–antimony films
Telescopes and space missions Research update Exotic explanation for Pioneer anomaly ruled out Simulations confirm thermal emissions are accelerating spacecraft Read article: Exotic explanation for Pioneer anomaly ruled out
Telescopes and space missions Research update Astronomers peer into stellar sandstorms New observations give insight into life-cycles of stars Read article: Astronomers peer into stellar sandstorms
Climate Research update Reflective roofs and pavements could fight climate change Cool surfaces could lower global temperatures by 0.07 °C Read article: Reflective roofs and pavements could fight climate change
Optical physics Research update Ultrasound waves with a twist Research proves fundamental relationship between properties of waves Read article: Ultrasound waves with a twist
Surfaces and interfaces Research update Graphene capsule reveals nanocrystal growth in action Researchers can now "see" more clearly through liquid cells Read article: Graphene capsule reveals nanocrystal growth in action
Earth sciences Research update Rapidly spotting major earthquakes using GPS New system could identify major quakes within minutes Read article: Rapidly spotting major earthquakes using GPS
Surfaces and interfaces Research update Nanomachines could benefit from superlubricity Ultra-low friction seen on the microscale Read article: Nanomachines could benefit from superlubricity
Ultracold matter Research update ‘Superradiant’ laser created for first time Breakthrough could boost performance of optical and atomic clocks Read article: ‘Superradiant’ laser created for first time
Optics & Photonics Briefing This issue explores lasers and detectors, solar power, medical imaging and high-resolution displays