Podcast:TED Radio Hour Published On: Fri Mar 22 2019 Description: Original broadcast date: June 19, 2015. We live our lives by the calendar and the clock, but time is also an abstraction, even an illusion. In this hour, TED speakers explore how our sense of time changes depending on who and where we are. Guests include director Cesar Kuriyama, poet Rives, psychologists Dan Gilbert and Laura Carstensen, and cosmologist Sean Carroll.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy