Child prodigy Tathagat Avatar Tulsi completed higher education at a record age, became an IIT professor at 22, lost his job ...

RC planes are a lot of fun, and the bigger the better! [Ramy RC] has built the world’s biggest RC A380. At 29 ft (8.83 m) long, with a 32 foot (9.75 m) wingspan, and weighing 800 lb (362 kg), this 1/8 ...

有用，但并不是普遍规律。关键区别在于“端口数”和“模式数”不同。天线端口是读取和控制电磁场的接口，真正承载信息的则是电磁场中的独立模式。如果孔径大小、工作频率和传播环境都没有改变，继续增加阵元，往往只是把同一片电磁场采得更细，而不是产生新的独立模式。