Timeline for A photon travels in a vacuum from A to B to C. From the point of view of the photon, are A, B, and C at the same location in space and time?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 8, 2021 at 6:51 | vote | accept | CommunityBot | ||
| Feb 8, 2021 at 6:51 | |||||
| Feb 7, 2021 at 19:15 | comment | added | tparker | It may be worth adding that two distinct null-separated points are still distinguishable at the level of the point-set topology and the smooth structure of the manifold (e.g. they have disjoint neighborhoods). It's only when you consider the metric structure that there's any sense at all in which null-separated points are "equivalent". | |
| Feb 7, 2021 at 1:19 | history | edited | G. Smith | CC BY-SA 4.0 |
added 68 characters in body
|
| Feb 7, 2021 at 1:11 | history | edited | G. Smith | CC BY-SA 4.0 |
added 58 characters in body
|
| Feb 7, 2021 at 1:02 | history | answered | G. Smith | CC BY-SA 4.0 |