UPDATED: Princeton voices: Speaking out about police violence in the nation .

At the close of the Derek Chauvin trial, Princeton scholars, experts and alumni are speaking to the moment across a range of platforms.

‘A.I. Nation,’ Episode 5, ‘Echo Chambers,’ now available to download .

In the fifth and final episode of “A.I. Nation,” a podcast by Princeton University and Philadelphia public radio station WHYY, computer science professor Ed Felten and WHYY reporter Malcolm Burnley investigate the role of AI in social media and the polarizing effects these algorithms have on us, whether we realize it or not.