The formulation of theories about the governing laws of the universe has been central to the study of physics from very early on, with philosophy gradually yielding to systematic, quantitative experimental testing and observation as the source of verification.
A formulación das teorías sobre as leis que gobernan o universo foi un obxectivo central da física desde tempos remotos, coa filosofía do emprego sistemático de experimentos cuantitativos de observación e proba como fonte de verificación.