They tried a similar experiment first, called the water drop experiment. It was intended to work in the exact same way, except with the obvious parameter varied

They tried a similar experiment first, called the water drop experiment. It was intended to work in the exact same way, except with the obvious parameter varied: they would use water instead of oil. The reason the water drop experiment failed was that the bright lamps they used to look at the drops evaporated the water too quickly.[1] Such a relatable experience! [1]: https://buttondown.com/entropicthoughts/archive/when-bubble-sort-is-not-terrible-and-clever/ https://buttondown.com/entropicthoughts/archive/when-bubble-...