2D materials Research update Twisted spirals of 2D materials grow on curved surfaces New method does away with the need to stack and twist layers of 2D materials manually Read article: Twisted spirals of 2D materials grow on curved surfaces
Diagnostic imaging Research update Lesion mapping tool makes early signs of dementia easier to spot Algorithm finds warning signs of dementia on MRI brain scans with more than 70% accuracy Read article: Lesion mapping tool makes early signs of dementia easier to spot
Devices and structures Research update Graphene-based memristor is ideal for artificial neural networks, say researchers New device offers 16 levels for synaptic connections Read article: Graphene-based memristor is ideal for artificial neural networks, say researchers
Diagnostic imaging Research update Deep learning enables rapid detection of stroke-causing blockages A deep-learning model trained to detect occlusions of large vessels has the potential to speed up clinical diagnosis Read article: Deep learning enables rapid detection of stroke-causing blockages
Imaging Research update Ultrafast camera breaks 3D speed record Stereo-polarimetric compressed ultrafast photography device takes up to 100 billion frames per second in 3D Read article: Ultrafast camera breaks 3D speed record
Planetary science Research update Jupiter’s moon Europa could glow in the dark Eerie emissions could shed light on Europa’s capacity to harbour life Read article: Jupiter’s moon Europa could glow in the dark
Superconductivity Research update g-wave superconductor comes into view Researchers discover an unexpected new class of superconducting material Read article: g-wave superconductor comes into view
Neutron sources Research update Neutrons give an atomic-scale view of SARS-CoV-2 replication mechanism Research could lead to the design of targeted drugs for COVID-19 Read article: Neutrons give an atomic-scale view of SARS-CoV-2 replication mechanism
Nuclear medicine Research update Tumour composition matters in radiopharmaceutical therapy A common method of dose calculation is improved by considering tumour mass and mineralization, with consequences for treating metastatic bone cancers Read article: Tumour composition matters in radiopharmaceutical therapy
Lasers Research update Microchip produces laser light of different colours Nonlinear material exploits third-order optical parametric oscillation Read article: Microchip produces laser light of different colours
Optics & Photonics Briefing This issue explores lasers and detectors, solar power, medical imaging and high-resolution displays