Employing newly developed electron microscopy techniques, researchers have, for the first time, measured the spectra of phonons – quantum mechanical vibrations in a lattice – at individual crystalline faults, and they discovered the propagation of phonons near the flaws.
Differences in nitrogen loss intensity between livestock and crops confirm the need for change.
Nature, Published online: 13 January 2021; doi:10.1038/d41586-021-00059-2
Vortex ‘tweezers’ can pick up and transport particles just 1 millimetre wide.
Operators of Jefferson Lab’s primary particle accelerator are getting a new tool to help them quickly address issues that can prevent it from running smoothly. The machine learning system has passed its first two-week test, correctly identifying glitchy accelerator components and the type of glitches they’re experiencing in near-real-time. An analysis of the results of the first field test of the custom-built machine learning system was recently published.