Will We Find Evidence of Aliens by Their Engineering Projects?

12/13/2016, 8:00:00 AM , duration(0:0:2)
Society & Culture
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?<br><br> Learn more about your ad-choices at <a href='https://news.iheart.com/podcast-advertisers'>https://news.iheart.com/podcast-advertisers</a>