每当你在收音机旁听到那悦耳的声音时，每当你在电视机前看到那清晰的图像时，每当你用手机和远方的亲人远距离通话时，你是否想过其中的道理？其实，这功劳应归于电磁波的发现者，是他通过认真、细致的实验找到了空中的“信使”———电磁波，开辟了电子技术发展的新纪元．他 Whenever you hear the sweet sound next to the radio, when you see the clear image in front of the TV, do you think about it when you use a mobile phone to communicate with distant relatives over long distances? In fact, this credit was attributed to the discoverer of electromagnetic waves. Through careful and meticulous experiments, he found the “messenger” in the air—electromagnetic wave, which opened up a new era in the development of electronic technology. he