I keep envisioning this photon from the Messier 87 galaxy. I know it's unscientific to think about photons — the smallest physical units of light — as individuals, however I have no trouble with the …
May 11, 1978
I keep envisioning this photon from the Messier 87 galaxy. I know it's unscientific to think about photons — the smallest physical units of light — as individuals, however I have no trouble with the …