
Searching for signs of alien technologies
Physics World Stories Podcast
00:00
Detectability of Chloro Floral Carbon in the Atmosphere
Techtno signatures are really an extension of bias signatures. They look at what life can do to the atmosphere or a planetary system. One example is chloro floral carbon, which was banned by Montreal protec in early nineties. It's used as refrigerants and cooling agents and blowing agents. But if you had enough of these there could be detectable with future missions.
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