By the 1890s , nikola tesla had demonstrated that not just magnetic fields but also electromagnetic waves themselves could transmit power-and over far greater distances .
到1890年，尼古拉特斯拉论证出电磁波本身也能传输电能，并且和磁场相比传输距离要长得多。
The winner of the second round of macedonia 's presidential election on april 5th will almost certainly be georgi ivanov , the candidate of the ruling nationalist party led by the prime minister , nikola gruevski . But that does not mean he will get the job .
