Measurements of transverse spin from unpolarized light sources raise further questions over the physical origins of spin angular momentum
Anna Demming is a freelance science journalist.
Anna was materials editor of Physics World from 2018 to 2019 and was previously editor of the website Nanotechweb. She studied nanostructures for her PhD in the context of photonics, specifically plasmonics and scanning near-field microscopy. In her spare time she runs and performs in a Bristol-based dance theatre company.
New mathematical formulation describes “charging by rubbing” in terms of changing populations of electron states, showing how energy is converted from motion to electricity
New carbon nanomaterial could deliver faster, higher-efficiency electronics
Simplified experimental model makes it possible to engineer the Mpemba effect in a reproducible way
Experiments reveal a photonic analogue for electron superconductivity in twisted bilayer graphene
Tiny bundles could also be used as artificial muscles
Sensor detects the ethylene emissions of plants at concentrations as low as 15 parts per billion, helping dealers predict when flowers will bloom and fruit and veg ripen