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China has overtaken the U.S. as the leading workplace for elite AI researchers as more Chinese talent chooses to build careers at home, a new study found. A humanoid robot at a robotics laboratory during a government-organized media trip in Guangzhou, Guangdong province, China, April 16, 2026 China was home to 41% of the top artificial intelligence researchers tracked in 2025, up from 27% in 2022, according to a study released Sept. 23 by think tank Carnegie China. The U.S. s

A team of U.S. researchers have built a mechanical computer that performs basic calculations without electricity, batteries, or microchips, using only physical movement and stored mechanical energy. Published in Nature Communications earlier this month, the study by researchers at St. Olaf College and Syracuse University shows how the system stores and processes information by snapping between stable positions, similar to a switch turning on or off. "We typically think of mem