#arthureddington — Public Fediverse posts

Guardando l’eclissi di sole

https://edu.inaf.it/rubriche/risate-spaziali/guardando-leclissi-di-sole/

Forse si è esagerato con gli occhiali scuri

#AlbertEinstein #ArthurEddington #eclissi #eclissiDiSole #relatività #Sole

If a dead planet orbits a black dwarf whilst tidally locked in an utterly dark Universe, does time exist?

Is the observer necessary?

See also:

• "The New Thermodynamic Understanding of Clocks" https://www.quantamagazine.org/the-new-science-of-clocks-prompts-questions-about-the-nature-of-time-20210831/
• https://news.ycombinator.com/item?id=28412135

#Time #Entropy #Clocks #ThoughtExperiments #ArrowOfTime #ArthurEddington #IfATreeFallsInAForest #physics #philosophy