Closer To Truth What is Time?
Aug 23, 2023
Huw Price, Julian Barbour, David Albert, Jeff Tollaksen, and John Polkinghorne discuss the subjective nature of time, contrasting views on the nature of time, the reality of time in the quantum world, and the relationship between physics and theology in understanding the nature of time.
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Time's Subjectivity
- Our perception of time, with its present moment, flow, and direction, might not reflect physical reality.
- Physics presents a "block universe" where time is a dimension in spacetime.
Time as Correlation
- Clocks don't measure time; they correlate with each other, suggesting time isn't fundamental.
- Our experience of time is tied to change; without change, there's no perception of time's passage.
Spatialization of Time
- Physics treats time as another dimension, similar to space, in describing events.
- Common notions of time's flow and passage are difficult to formalize within physics.