Shifting Time : TED Radio Hour 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.

TED Radio HourTED Radio Hour

Life's biggest questions, explored.

"Maybe our universe is just one of those things that happens from time to time," says theoretical physicist Sean Carroll. iStockphoto hide caption

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iStockphoto
"Maybe our universe is just one of those things that happens from time to time," says theoretical physicist Sean Carroll.

"Maybe our universe is just one of those things that happens from time to time," says theoretical physicist Sean Carroll.

iStockphoto

Shifting Time

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.

Cesar Kuriyama explains his app 1 Second Everyday at TED. James Duncan Davidson/Courtesy of TED hide caption

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James Duncan Davidson/Courtesy of TED

Cesar Kuriyama: Can You Remember Your Life, One Second At A Time?

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Poet Rives explores why 4 a.m. has become synonymous with the strangest hour of the day. Bret Hartman/Courtesy of TED hide caption

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Bret Hartman/Courtesy of TED

Rives: Which Time Of Day Is Both Too Early And Too Late?

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"Human beings are works in progress that mistakenly think they're finished," says psychologist Dan Gilbert. Ryan Lash/Courtesy of TED hide caption

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Ryan Lash/Courtesy of TED

Dan Gilbert: When Do We Become The Final Version of Ourselves?

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Psychologist Laura Carstensen explains why growing older also means growing happier for so many people. Michael Priest Photography/Courtesy of TED hide caption

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Michael Priest Photography/Courtesy of TED

Laura Carstensen: Why Should We Look Forward To Getting Older?

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Theoretical Physicist Sean Carroll asks why does time exist? Marla Aufmuth/Courtesy of TED hide caption

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Marla Aufmuth/Courtesy of TED

Sean Carroll: Why Does Time Exist?

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TED Radio HourTED Radio Hour

Life's biggest questions, explored.