Actually, I think it is more accurately ascribed to Tyndall scatter: <a href="https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;Tyndall_effect" rel="nofollow">https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;Tyndall_effect</a>