🧱=✨

#e=mc2 #einstein #relativity #equivalence principle #potential energy #stored energy

⚖️🚀=🌍⬇️

#equivalence principle #acceleration #gravity #freefall #inertial frame #general covariance

🌎↔️⚖️

#eötvös experiment #equivalence principle #gravity measurement #geophysics #loránd eötvös #scientific measurement

🍎🌍=🚀🌌

#general relativity #equivalence principle #einstein field equations #frame of reference #freefall