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Physics
Quantum sensing achieves unprecedented accuracy with optical displacement detection
Credit: Pixabay/CC0 Public Domain A study led by the University of Portsmouth has achieved unprecedented accuracy in detecting small changes in light displacement at the nanoscale. This is related to characterization of birefringent materials and high accuracy measurements of rotation. Quantum sensing breakthroughs are featured in Journal Physical Review A and can revolutionize many aspects of everyday life, industry and…
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Physics
Redefining the second: Optical atomic clock achieves record precision in comparative measurements
A new In+/Yb+ crystal clock ion trap in a vacuum chamber. Credit: PTB The next generation of atomic clocks “keep time” at laser frequencies. This is about 100,000 times faster than the microwave frequency of cesium clocks, which currently generate seconds. These optical clocks are still being evaluated, but some are already 100 times more accurate than cesium clocks. They…
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Chemistry
Drum Mill achieves kilogram-scale ibuprofen synthesis with environmentally friendly technology
Co-crystal powder (rac-ibuprofen nicotinamide) and milling ball IMPACTIVE. Credit: Jan-Hendrik Schöbel For the first time, researchers have used a drum mill to produce kilograms of ibuprofen-nicotinamide, a formulation that improves therapeutic efficacy and stability. This is part of the European project IMPACTIVE, which focuses on researching mechanochemical methods to make pharmaceutical manufacturing more sustainable and reduce both carbon emissions and…
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Science
Research team achieves acceleration of positive muon to 100keV for the first time
Schematic diagram of the experimental setup. Credit: arXiv (2024). DOI: 10.48550/arxiv.2410.11367 A team of engineers and physicists from many institutions across Japan and working at the High Intensity Proton Accelerator Research Facility have demonstrated accelerating positive muons from thermal energy to 100 keV. This is the first time muons have been accelerated in a stable manner. The group published a…
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