Using the X-ray Polarimetry Explorer (IXPE) and Neutron star Interior Composition Explorer (NICER), Indian astronomers have ...

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CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, Beijing 100190, People’s Republic of China School of Physics and Astronomy, ...

Over time, advancements in tungsten carbide grain sizes have significantly influenced the hard metal industry. In the mid-1920s, grain sizes ranged from 2.0 to 5.0 µm. Today, the spectrum has widened ...

Photonics Initiative, Advanced Science Research Center, City University of New York, New York, New York 10031, United States ...

Train operators said no zero-emission locomotives exist on the commercial market. Schrap said “the most important thing is the EPA could have issued the waiver and they didn’t.” The EPA said ...