Theories of time in physics: old, modern and proposed.
What is the nature of time?
Does everyone measure the same amount of time?
When can it flow backwards?
Can the expansion of the universe change how time flows locally?
If time were flowing backward, would you even be able to tell?
"The animate and the inanimate" William James Sidis : https://www.sidis.net/animate.pdf
"The nature of time" J V Narlikar: https://sci-hub.st/https://link.sprin...
Timestamps coming soon!