So gravity isn't a force, it's a distortion of space and time. For something to distort it must have a structure, so space and time must have a structure. A structure must be made out of something; be it matter, energy or a fundamental force. So my question is what is this 'space time structure' made out of?
Japón es ese país donde hay gente que se reúne voluntariamente para juntar basura, personas que quitan manchas de aceite de la calle o un vecino que le pasa la aspiradora a su vereda.
El país mas limpio del mundo 🇯🇵