Closer To Truth What's Real About Time?
Dec 18, 2024
Kip Thorne, a renowned expert on Einstein's theory of relativity, dives deep into the fascinating concept of time. He discusses its intrinsic relativity and how our perception of time can differ based on individual experiences. Delving into quantum mechanics, Thorne explores the idea of parallel universes and the philosophical implications of altered timelines. He challenges conventional views by proposing that space and time may be emergent properties, reshaping our understanding of reality. Thorne's insights invite listeners to rethink their relationship with time.
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Timescape Example Of Retrocausality
- Gregory Benford describes his novel Timescape about sending information backward in time and its consequences.
- He explains that attempted retrocausality causes quantum branching so the sender lives in the original timeline.
Time Is Personal To Observers
- Kip Thorne explains time is personal: moving observers slice spacetime differently so each has their own simultaneity.
- Observers disagree on which distant events are simultaneous, producing time dilation effects.
The Block Universe Picture
- Kip Thorne presents the block universe: spacetime as a four-dimensional whole containing past and future events.
- We experience flow, but mathematically the entire history exists as a static geometry.