TIL and
I have no idea what those pictures show, who took them, or whether they're even real. I am glad I read your response, though.
TIL [Rayleigh scattering](https://en.m.wikipedia.org/wiki/Rayleigh_scattering) and [Gaussian beam.](https://en.m.wikipedia.org/wiki/Gaussian_beam)
I have no idea what those pictures show, who took them, or whether they're even real. I am glad I read your response, though.
(post is archived)