It’s happened to all of us. You’re sitting down for dinner with an old friend to catch up. You’re in the middle of sharing an anecdote when their phone dings. Their eyes shift to the screen, and they slide their device [...]

“Have you ever had this experience?” asks physicist Dominic Walliman in a TEDxEastVan Talk. “You’re having a chat with someone, and they’re telling you something about a subject they’re very interested in or they know a lot about, and you’re following along. Then, at [...]