Albert Einstein shattered previous ideas about time, but left many pivotal questions unanswered: Does time have a beginning? An end? Why does it move in only one direction? Is it real, or something our minds impose on reality? Journalist John Hockenberry leads a distinguished panel, including renowned physicist Sir Roger Penrose and prominent philosopher David Albert, as they explore the nature of time.
This program is part of the Big Ideas Series, made possible with support from the John Templeton Foundation.
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Original Program Date: June 13, 2009
MODERATOR: John Hockenberry
PARTICIPANTS: David Z. Albert, Sean Carroll, Fotini Markopoulou-Kalamara, George Ellis, Michael Heller, Sir Roger Penrose
John Hockenberry introduction 00:00
Participant Introductions 04:15
“The World is a Stage” space and time. 08:05
A brief history of comprehending time. 10:38
Time and Space post Einstein. 14:14
How is Einsteinian relativistic time fitting in to modern science? 21:29
Can there be a nondeterministic future independent of time? 32:30
The arrow of time and its problems with science. 37:14
Time on the quantum scale 49:55
Is an expanding universe necessary for time as we know it? 01:05:15
Does time confer generous gifts for those who wait? 01:14:42
Is time discreet, can it be stopped and can we define “now”? 01:17:28
How fast is the universe expanding and how does that compare to the speed of light? 01:24:29
Are we entangled with time and does that effect the universe being deterministic? 01:26:50
From a view of outside the universe, viewing someone trying to get to the center of the universe would be difficult because the universe is expanding faster that the speed of light? TRUE OR FALSE? 01:30:55