Caltech scientists have found a fast and efficient way to add up large numbers of Feynman diagrams, the simple drawings ...

His business, which sends nearly 20 per cent of its copper products to American clients, would face new challenges if Trump ...

Jiayuan Technology previously disclosed its Q1 2025 report, which showed that in the first quarter of this year, the company achieved a total operating revenue of 1.981 billion yuan, up 113.00% YoY; ...

U.S. President Donald Trump’s vow this week that he will impose heavy tariffs on copper imports on Aug. 1 is of particular ...

We investigate spatial overlap of electron wave functions in three laterally coupled self-assembled quantum structures using valence force field method and eight-band k/spl middot/p method. Strain ...