Alan Boyle / GeekWire
Scientists look for new ways to track the technosignatures of alien civilizations – Could extraterrestrial civilizations leave their fingerprints as chlorofluorocarbons in planetary atmospheres, or the waste heat generated by industrial processes, or artificial bursts of neutrinos or gravitational waves? Thats what a vanguard of astronomers would like to find out, and theyre hoping to win more support for an approach that widens …
