Counter-Rotation Inside a Glass of Beer Shaken Stirringly

A round of surprise appears in a glass of beer—or a glass of coffee or tea—when you shake it stirringly. Details are in this study: “Counter-Rotation in an Orbitally Shaken Glass of Beer,” Frédéric Moisy, J. Bouvard, and Wietze Herreman [pictured below], EPL [Europhysics Letters], vol. 122, no. 3, no. 34002, 2018. The authors, at Université […]

The Teabag Decomposition Initiative

The teabag composition initiative—or, to use its even more formal name, the TeaComposition initiative—aims to measure how fast teabags decompose in different settings. “The advantages of using tea bags to study decomposition,” say the organizers, are, in their words: simple, standardized, cheap and time-efficient method uses commercially available Lipton tea bags tea bags constitute a pre […]

A very British combination—Tea and Graphene—with an American price

Britain is famous for tea and also for graphene. A recently published study combines the two. The study, called “Synergistic Effect Between Tea Polyphenols and Aluminum Flake on the Reduction of Graphene Oxide,” was written by a team of scientists in China. The publisher of the study—American Scientific Publishers—offers to sell you a copy of […]

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