China’s quest to field a stealth fighter that rivals the U.S. F-35 faces setbacks due to material science challenges, particularly in developing advanced Radar Absorbent Material (RAM).
They also bested Sany's 2023 record for the longest onshore turbine blades, which measured 341 ft (104 m). A single 15-MW turbine is said to be able to generate enough electricity to power 160,000 ...