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A comment on Public US hearing on UFOs [video]. Parent comment

Re:Public US hearing on UFOs [video] by ASalazarMX on Wednesday July 26, 2023 @01:55PM (#36881983)
Self replicating probes, basically spaceship multifactories, is not something trivial to achieve.
[ Parent | on HN ]
Re:Public US hearing on UFOs [video] by frede on Wednesday July 26, 2023 @02:13PM (#36882305)
It becomes easier when science can be millions of years ahead.
[ Parent | on HN ]