金沙所有登入网址:How to eavesdrop on alien chat

时间:2017-10-02 04:00:14166网络整理admin

By Jessica Griggs ET, phone… each other? If aliens really are conversing, we are not picking up what they are saying. Now one researcher claims to have a way of tuning in to alien cellphone chatter. On Earth, the signal used to send information via cellphones has evolved from a single carrier wave to a “spread spectrum” method of transmission. It’s more efficient, because chunks of information are essentially carried on multiple low-powered carrier waves,