Yet more evidence that we're alone in the universe, at least the observable universe.
Upper limits on transmitter rate of extragalactic civilizations placed by Breakthrough Listen observations <https://arxiv.org/pdf/2304.02756.pdf> Type II/Type III Civilization Search Finds Nothing <https://www.youtube.com/watch?v=9W7flMksgV0&t=306> John K Clark See what's on my new list at Extropolis <https://groups.google.com/g/extropolis> 45d -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/CAJPayv3AGYbd4pTGi50ERTU9Q6sMvPep_kE1E_8Q7_0Q3K4gcw%40mail.gmail.com.
