Harvard physicist Avi Loeb announced the discovery of tiny "spherules" at the bottom of the Pacific. But three of the world's top experts on the search for aliens are skeptical the tech is from aliens. The fragments "could be a spacecraft from another civilization, or some technological gadget," Loeb told CBS News. This will constitute independent evidence for the interstellar origin of IM1 in addition to its measured speed," Loeb wrote. Loeb told Insider that, when ready, the team will publish their findings in a scientific paper that will be "shared openly and submitted for a peer-reviewed journal."

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Persons: Avi Loeb, Loeb, Dan Werthimer, IM1, aren't, Douglas Vakoch, Vakoch, Monica Grady, Werthimier Organizations: Service, CBS, SETI Research, University of California, Messaging Extraterrestrial Intelligence, SETI, Center, Object, Sun, Space Command, NASA, DOD, The Open University, HMS Locations: Wall, Silicon, Berkeley, Papua New Guinea