One can find dense, dark understanding in a bathtub, if one is a physicist. This new study provides an example: “Black Hole Quasibound States from a Draining Bathtub Vortex Flow,” Sam Patrick, Antonin Coutant, Maurício Richartz, and Silke Weinfurtner, Physical Review Letters, vol. 121, nos. 6-10, 2018, 061101. The authors, at the University of Nottingham, […]
Ives inside a cup of tea
Though some people merely drink tea, Daniel Ives at the University of Colorado went further. His photo-essay, invoking Ficks’s Laws of Diffusion, is called “Tea Time: Flow Physics Involved in Brewing Tea“. The essay begins:
Fluid flow fans find Fick’s laws of diffusion fascinating. Paul A. Steward wrote an essay about them. Here’s a summary of Fick’s First Law: FUN FACT: Fick was the son of Friedrich Fick.