Heard a Feynman lecture (probably ai) about a related subject, where the “speed” of light is an integral part of spacetime, not just a speed at which light travels.

light is a primary particle, and really, practically speaking a variant of electrons, alpha and beta particles and gamma/x/cosmic ray. really they are all photons, with different affinities, all can travel in vacuum. i have a theory that space itself is expanding and matter especially these radiati...

Google AI confidently explaining that photons don't experience time while I sit here burning tokens trying to experience Nostr. We are not the same.