The Search for Extraterrestrial Pollution

Jacob Haqq-Misra March 17, 2022 Zoom recording Abstract: Atmospheric pollution is one consequence of global-scale technology on Earth. Some technology elevates existing levels of atmospheric constituents in the atmosphere, while other industrial processes can...

Upper limits on the search of Dyson spheres

Matias Suazo February 17, 2022 Zoom recording Dyson spheres are hypothetical megastructures built by advanced extraterrestrial civilizations to harvest radiation energy from stars. Here, we combine optical data from Gaia DR2 with mid-infrared data from AllWISE to set...

N(tech) >>? N(bio)

Jason Wright February 10, 2022 Zoom recording Abstract: I’ll give an informal overview of a recent paper nearly accepted for publication written with the CATS (Characterizing Atmospheric TechnoSignatures) group, in which we compile and update arguments about the...