Posted on 09/14/2022 7:52:11 AM PDT by BenLurkin
Nanobubbles are extremely small (i.e., nanoscopic) gaseous cavities that some physicists observed in aqueous solutions, typically after specific substances were dissolved in them. While some studies reported the observation of these incredibly tiny bubbles, some scientists have argued that they are merely solid or oily residues formed during experiments.
Researchers at Centro de Investigación y de Estudios Avanzados Unidad Monterrey and Centro de Investigación en Matemáticas Unidad Monterrey in Mexico have recently carried out an experiment aimed at further investigating the nature of these elusive and mysterious objects, specifically when xenon and krypton were dissolved in water. Their study, featured in Physical Review Letters, identified the formation of what the team refers to as "nanoblobs," yet found no evidence of nanobubbles.
To solve the "mystery" of nanobubbles, Ruiz Suarez and his colleagues devised a "clean" method that should have theoretically allowed them to produce "real" nanobubbles. This method entailed dissolving the two noble gases xenon and krypton in water, by applying high pressure to them, and then depressurizing and inspecting the resulting liquid.
The team assessed the results of this procedure in both molecular dynamics simulations (MDSs) and laboratory experiments. While they actually observed nanobubble-like particles, when they analyzed these particles they were surprised to find that these were most likely gas-water amorphous structures, rather than gaseous bubbles.
(Excerpt) Read more at phys.org ...
So that’s how the micro breweries do it.
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