[math-fun] Advanced civilizations do not exist?

https://www.astron.nl/about-astron/press-public/news/werp/good-night-sleep-t... tried to find galaxies that had been commandeered by ultra-competent energy-using life forms. They failed. -- Warren D. Smith http://RangeVoting.org <-- add your endorsement (by clicking "endorse" as 1st step)