Under the rubric keep going as it's going great.
Sabine Hossenfelder, "Is time travel possible?",
2023-10-14 on YouTube: <https://youtu.be/4ICIObFtWjM?si=13UU3byE9YTL5MUR&t=52>
No, PROPER TIME is *absolute*! It *does* pass for every
observer/clock at the same rate, i.e. in their own frame.
(Here is the 101 on Einsteinian relativity: <https://jp-diegidio.github.io/STUDY.Physics.SpecialRelativity/InertialFrames/App>
Try and understand the role of proper time.)
How can an entire community of physicists (isn't it?)
ever get such a fundamental notion so blatantly upside
down is the real "mystery" here.
Julio
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