What happens when we boil an egg? Researchers have found that the gelation process that happens to the egg white is an example of the percolation that also occurs when we make coffee. Image: Pikist.
What happens when we boil an egg? Researchers have found that the gelation process that happens to the egg white is an example of the percolation that also occurs when we make coffee. Image: Pikist. Gels occur everywhere in our everyday life, but the precise way in which they form is not very well understood. Combining experimental observations and numerical models, physicists from the universities of Amsterdam and Cambridge and from Unilever have now shown that gel formation is closely related to another well-known physical process: percolation. The results were published in Nature Communications this week. Gelation, the formation of gels, is a wide-spread phenomenon. We encounter gels in many realms of life, such as food and cosmetic products.
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