Mindblowing! « Possibility 4) There are scary predator civilizations out there, and most intelligent life knows better than to broadcast any outgoing signals and advertise their location. This is an unpleasant concept and would help explain the lack of any signals being received by the SETI satellites. It also means that we might be the super naive newbies who are being unbelievably stupid and risky by ever broadcasting outward signals. Theres a debate going on currently about whether we should engage in METI (Messaging to Extraterrestrial Intelligence—the reverse of SETI, which only listens) or not, and most people say we should not. Stephen Hawking warns, If aliens visit us, the outcome would be much as when Columbus landed in America, which didnt turn out well for the Native Americans. Even Carl Sagan (a general believer that any civilization advanced enough for interstellar travel would be altruistic, not hostile) called the practice of METI deeply unwise and immature,»
Posted on: Sat, 24 May 2014 09:38:50 +0000
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