Back in the day, if you tuned your TV so it was in between broadcasting channels, then you’d really notice those other sources of radiation — they’d create random noise and changing pixels on your screen.

回到过去，如果您将电视调到广播频道之间， 那么您就会真正注意到其他辐射源——它们会在屏幕上产生随机噪声和不断变化的像素。