Read article: Did slippery sand help Egyptians build the pyramids? Surfaces and interfaces Research update Did slippery sand help Egyptians build the pyramids? A little bit of water cuts friction in half
Read article: Saliva-powered microbial fuel cell built Transport properties Research update Saliva-powered microbial fuel cell built New graphene-anode cell that produces 1 µW could be used as an ovulation test
Read article: Graphene gains thermal vision Transport properties Research update Graphene gains thermal vision Room-temperature detector is first to cover infrared spectrum
Read article: New material offers angular control over light Surfaces and interfaces Research update New material offers angular control over light Filter could be used in cameras and thermal solar systems
Read article: Researchers spin a yarn into a muscle Surfaces and interfaces Research update Researchers spin a yarn into a muscle Everyday polymer fibres used to create artificial muscles
Read article: New cochlear implant takes the middle road Surfaces and interfaces Research update New cochlear implant takes the middle road Low-power microchip would be implanted in the ear
Read article: Microscope exploits spooky action at a distance Ultrafast science Research update Microscope exploits spooky action at a distance Entangled photons allow higher-contrast microscopy
Read article: Graphene oxide makes perfect sieve Transport properties Research update Graphene oxide makes perfect sieve Membranes could be ideal in water filtration and desalination technologies
Read article: Electron coincidence spectroscopy arrives on the bench top Transport properties Research update Electron coincidence spectroscopy arrives on the bench top Surface science technique no longer needs a synchrotron
Read article: Pyramid powers polarizing light source using quantum dots Ultrafast science Research update Pyramid powers polarizing light source using quantum dots Method could be used to develop energy-saving LCD screens and for quantum cryptography
Optics & Photonics Briefing This issue explores lasers and detectors, solar power, medical imaging and high-resolution displays