Does time actually exist if nothing is changing?
In short: Theoretical physicist Carlo Rovelli explores the fundamental questions of existence, questioning whether the present is a distinct reality or merely a perception in a universe of constant flux.
Following his lecture at The Royal Institution on 30 April 2018, Carlo Rovelli engages with audience inquiries regarding the nature of time. He addresses the philosophical and physical tension between the past, the future, and the elusive concept of the 'present.'
Rovelli, a theoretical physicist who directs the quantum gravity research group at the Centre de physique théorique in Marseille, France, uses this session to probe whether time is a meaningful concept if change is not observed.
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Sources
- Summary by Intellect · source: Q&A The Physics and Philosophy of Time - with Carlo Rovelli
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