China has quietly turned a childhood toy into a piece of heavy infrastructure, unveiling a giant power-generating kite that behaves more like an airborne power station than a beach plaything. The ...

China has built more dams than any other country and more large dams than the rest of the world combined. This month, it officially acknowledged construction of the biggest dam ever conceived in human ...

After Donald Trump announced ruinously high tariffs on China in the spring, a simple reminder of that country’s growing technological power forced him to back down. Shortly after Trump’s April 2 ...