An orbiting disco ball gave Einstein’s theory its most precise test yet

Submitted ⁨⁨3⁩ ⁨weeks⁩ ago⁩ by ⁨supersquirrel@sopuli.xyz@sopuli.xyz⁩ to ⁨physics@mander.xyz⁩

https://arstechnica.com/science/2026/07/an-orbiting-disco-ball-gave-einsteins-theory-its-most-precise-test-yet/