1 we have described and discussed observations which have led us to the conclusion that the light quantum possesses an intrinsic spin equal to one Bohr unit of angular momentum. In the four weeks ...

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School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of the People’s Republic ...

ZURICH, Jan 21 (Reuters) - ABB (ABBN.S), opens new tab sees good growth momentum in 2025 due to long term trends like electrification and automation and booming demand from data centres ...

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When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years ...