What black holes can teach us about traffic jams

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of “Ask a Spacemanand “Space Radio,” and author of “How to Die in Space.” Sutter contributed this article to Space.com’s Expert Voices: Op-Ed & Insights.

One big reason black holes are feared is that once you go in, you can’t get out. That’s due to the event horizon, the boundary beyond which information can never escape back into the wider universe.