Read article: Metal foams could make promising radiation shields Surfaces and interfaces Research update Metal foams could make promising radiation shields Environmentally friendly foams could be used in everything from space travel to nuclear reactors
Read article: Reptile skin inspires super-slippery steel surfaces Surfaces and interfaces Research update Reptile skin inspires super-slippery steel surfaces Copying patterns found on snakes and lizards could reduce friction in tiny machines
Read article: Kirigami patterns make composite materials more stretchy, while staying strong Surfaces and interfaces Research update Kirigami patterns make composite materials more stretchy, while staying strong Method could be used to make flexible electronics and optoelectronic devices
Ultracold matter Research update Ultracold ions put friction to the test Experiment shows how "stick–slip" processes can be finely tuned
Read article: Tiny probe reveals electrical conductance of individual atoms Surfaces and interfaces Research update Tiny probe reveals electrical conductance of individual atoms Measurements could boost our understanding of superconductivity
Read article: Swirling light beams carve intricate patterns Surfaces and interfaces Research update Swirling light beams carve intricate patterns Logarithmic spirals could further our understanding of light
Read article: Graphene sandwich squares away ice Surfaces and interfaces Research update Graphene sandwich squares away ice New research reveals a previously unknown phase of ice
Read article: Acoustic topological insulator could hide submarines Transport properties Research update Acoustic topological insulator could hide submarines Hearing aids could benefit from lattices of rotating cylinders
Read article: Nanowire-based electrode could lead to better supercapacitors Transport properties Research update Nanowire-based electrode could lead to better supercapacitors Breakthrough could mean smaller and lighter energy-storage systems
Read article: New optical fibre shortens laser pulses the easy way Surfaces and interfaces Research update New optical fibre shortens laser pulses the easy way Kagome structure and noble gas work together to create short, powerful infrared bursts
Optics & Photonics Briefing This issue explores lasers and detectors, solar power, medical imaging and high-resolution displays