3 ms·
> (Well... light isn't quite unique. The speed of light is unique in that way. But gravitational waves also travel at the speed of light.) Right - this is a su
by danparsonson 5y ago
> (Well... light isn't quite unique. The speed of light is unique in that way. But gravitational waves also travel at the speed of light.)
Right - this is a subtle but important distinction! Photons don't have primacy, space-time does.