When Orson Welles gave his suspenseful 1938 War of the Worlds radio broadcast, it caused a perhaps overblown but nonetheless real panic among Americans who mistook it for news reportage. And while “invaders from Mars” laying waste to the world now seems fanciful, scientists are worried that a similar broadcast in the future could be relating a real alien invasion — and not just across our porous southern border.
At issue is what could be called SETI 2.0.
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