The 14.25-kilometer Chongming-Taicang Yangtze River tunnel — featuring three vertical shafts and connects Shanghai's ...
When engineers want to make a metal stronger, one of the most reliable strategies is to use smaller grains—the microscopic ...
China has unveiled a powerful "hypergravity machine" that can generate forces almost two thousand times stronger than Earth's ...
Abstract: High-speed machines are popular in industry due to their high power density. Permanent synchronous machines are commonly preferred, but they rely on rare earth magnets, which are expensive ...
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