Tuesday 20th May 2025, 5.50pm (day 5,017)
I do not know exactly what principle of physics this straw is demonstrating, but I will take a stab at it: whether because it is black or not, it has absorbed and retained a certain amount of heat. Enough, anyway, to keep the liquid around it just that little bit warmer and thus precipitate out the bubbles. Sounds plausible, right? But I am guessing.
Being 42 