Modern Engineering Marvels on MSN
Why the first detected alien signal might mark a dying civilization
The first unmistakable sign of extraterrestrial technology may not arrive as a calm greeting. It may look more like a flare.
Modern Engineering Marvels on MSN
Scientists warn first detected alien signal could mark dying civilization
The history of astronomical discovery shows that many of the most detectable phenomena, especially detection firsts, are not ...
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