SETI puts a considerable effort into finding extraterestrails under the assumption that they want to be found and are intentionally putting out a enough radiation in some way for us to detect them. Recent upgrades allow them to detect relatively nearby extraterestrails by eavesdropping on their normal communications.
But what if the extraterestrails do not want to be detected? It has been hypothesized that extraterestrails might want to smack down any up and coming civilizations to prevent competition. This might cause them to want hide or to simply not wanting to be bothered by primitives.
If we assume that extraterestrails are really hiding then how could we detect them? What would we look for to detect ET's if they are not actively broadcasting or if they are actually hiding?
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Michael
Life is the poetry of the universe.
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