现在,人们可以通过许多技术手段与千里之外的亲人保持联系,如电话、电子邮件、手机短信等。但这些以传递语言或文字为主的手段仍然有局限,例如你给对方打电话,总会耽误对方的时间,怎样才能既不打扰对方,又能随时知道对方在做什么呢?最近,爱尔兰的研究人员利用无线电扫描和互联 Nowadays, people can keep in touch with their relatives thousands of miles away through many technical means, such as telephone, e-mail, SMS. However, these means of transmitting language or text are still limited. For example, when you call each other and always delay each other’s time, how can you know each other while not disturbing each other? Recently, Researchers use radio scanning and interconnection