Well well well. Thanks so much for that. This problem has baffled me for years and I note even Don Petit was not sure what to expect!
Although the Alka Seltza provides a launch platform for the bubbles I don't suppose the outcome would be so very different from a fizzy drink where presumably...
We got to wondering the other night over some beers... What happens to the bubbles in a fizzy drink eg Coke inside the zero G conditions of a space station, pressurised to standard atmospheric pressure. We figured that on Earth the density differential in the liquid caused by gravity gave...