20 Things That Would Happen if Humans Disappeared From Earth Overnight
| September 14, 2016
Electromagnetic radiation will remain
Amazingly, one trace of man that will forever remain is the electromagnetic signals that we’ve sent out into the abyss. Fragments of out television, radio and telephone signals will forever be pinging around in space, leaving clues behind for future extraterrestrial explorers to decipher about the beings that once walked planet earth.
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