From Sabine Hossenfelder.

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In the 19th century, scientists came up with the idea of the “aether,” a medium that filled all of space and allowed forces to travel from one place to another. While this was famously proved wrong by the Michelson-Morley experiment, the idea of the aether made a comeback. The new aether is compatible with Einstein’s theories and could explain dark energy and maybe even dark matter. Let’s take a look.

Paper: https://journals.aps.org/prd/abstract/10.1103/PhysRevD.70.024003

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