Going beyond SETI, the new organization METI plans to send a message intended for extraterrestrials. But leading scientists and experts including Stephen Hawking are not so sure this is a good idea.
Doug Vakoch started METI International with the goal of sending messages to aliens, hoping to make some kind of contact. But scientists and cosmologists are split on the issue. John Gertz, the head of an initiative dedicated to the search for intelligent life, warns that proactively making contact could spark a diplomatic crisis. Even Stephen Hawking has weighed in on the debate. Should we call out to ET, or watch and wait?
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