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There are three ways to look for evidence of alien technological civilizations. One is to look out for deliberate attempts by them to communicate their existence, for example, through radio broadcasts ...
Tabby’s Star in infrared (left) and ultraviolet (right). Credit: Wikipedia There are three ways to look for evidence of alien technological civilizations. One is to look out for deliberate attempts by ...
James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...
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