Causal cone
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Causal cone is also called:event horizon or world line, which presents a geometrical boundary of possible cause and effects between all physical events[1], [2].
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Causal Cone/Loop and John von Neumann Algebra
{{#ev:youtube|https://www.youtube.com/watch?v=k3AtJ7wQKsk%7C%7C%7C%7C%7Cstart=3048}}
Why just a Circle
At the end of the same video, Vaughan Jones said the following:
The space-time dimensions go all the way down to one.
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References
- ↑ Smolin, Lee (Apr 3, 2021). How Can Space and Time be the Same Thing?. local page: Closer To Truth Youtube Channel.
- ↑ Smolin, Lee (Oct 24, 2017). Why is the Quantum so Strang?. local page: Closer To Truth Youtube Channel.