4 ms·
So the first paragraph on the photon wiki page might give you a start: https://en.wikipedia.org/wiki/Photon https://en.wikipedia.org/wiki/Photon
by brummm 6y ago
So the first paragraph on the photon wiki page might give you a start: https://en.wikipedia.org/wiki/Photon https://en.wikipedia.org/wiki/Photon