Selects: Will We Find Evidence of Aliens by Their Engineering Projects?

In 1960 physicist Freeman Dyson suggested that in the hunt for alien life, we should search for evidence of massive engineering projects that encapsulate stars with solar arrays to harness their energy. Could we humans ever make one ourselves? Find out in this classic episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.