Timeline for What does Einstein mean by “mollusc” in chapter 29 of His book Relativity?
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
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| Sep 1, 2021 at 11:06 | comment | added | Dale M | @RLH yes, I think Einstein probably had in mind the clam inside the shell or more likely an unshelled mollusk like a slug. | |
| Aug 31, 2021 at 20:27 | comment | added | Dale | Sure, I can see that. I chose this picture because of the layering that is visible on the shell. This conveys the idea of a foliation of spacetime. If the vertical axis is time and the horizontal axes are 2D space then the layers represent a foliation that changes non-rigidly over time. This gives a geometric picture that describes a non-rigid reference mollusk in a “static block universe” view of spacetime which I liked | |
| Aug 31, 2021 at 18:27 | comment | added | RLH | The picture of a clam shell here unfortunately runs counter to the "soft, deformable" idea that is put forward in the example. | |
| Aug 30, 2021 at 16:39 | history | edited | Dale | CC BY-SA 4.0 |
added 84 characters in body
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| Aug 30, 2021 at 16:21 | comment | added | alain clement | Thanks, much appreciated. | |
| Aug 30, 2021 at 14:44 | history | answered | Dale | CC BY-SA 4.0 |