Dr Frank Drake said the phasing out of analogue transmissions from television, radio and radar was making our planet electronically invisible from outer space.
Frank Drake博士声称由于电视、无线电和雷达越来越少采用模拟信号进行传输，这一过程使地球在地外文明的电子设备上逐渐隐形。
OSU President Michael Drake said initially there were rumors of a second suspect. However, Drake said police searched the area and believe there was only one attacker.
俄亥俄州立大学校长迈克尔∙德雷克说，最初有传闻说还有第二名嫌疑人，但警方搜索了事发区域后相信只有一个凶手。
Reversing the technology to use the lens as a transmitter instead of a receiver would enable aliens to beam massively powerful signals across the galaxy, said Dr Drake.
德雷克博士说，把这项技术反过来，利用透镜作发射器而不是接收器，能使外星人发送大量强劲信号传遍银河系。
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