The Basilian explorer Luis Pereira spent a lot of time in Argentine bars for scientific purposes, observing a phenomenon known as the “peanut dance” in a beer mug. Nuts are larger than liquid, so according to the laws of physics, they must sink. However, in practice it turns out that the buoyancy of a solid body is far from that formulated by Archimedes – it is dynamic in Elichin.
Pereira, in her experiments, discovered the reason for the buoyancy of his peanuts – bubbles of carbon dioxide stretched on the surface. They act as “rescue buoys” and, due to their high buoyancy, compensate for the heaviness of the nut itself. However, as soon as the peanuts covered with bubbles open on the surface, the gas escapes and the nuts again sink to the bottom of the beer glass. The process is repeated for a long time – this is the “peanut dance”.
The most interesting thing here is the special bubbles. Beer is a liquid that promotes physics and chemistry, it tends to create “points of concentration” of bubbles of carbon dioxide that is produced from the liquid. This can be well traced on the walls of glasses of different FORMS, when bubbles gather in one place for no apparent reason. Peanuts, when absorbed into beer, themselves become so delayed – lipnut gas bubbles do not listen to it, but the reason that this happens is not entirely clear.
Pereira’s work may find application in other places where dense and heavy elements interact with fluid. For example, it is easy to understand why magnetite rocks turn into liquid lava, although they should sink due to their negative buoyancy.
Source: Tech Cult
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