A forum for discussing the behaviour of water in the living cell Howard Stone at Princeton, Ozgur Sahin at Columbia, and their colleagues have written a wonderfully imaginative review of what they call âhydration solidsâ (Nature 619, 500; 2023 - here). By this I donât mean to imply anything fantastical about it â I simply like this way of framing the notion that hydration water can play an importa
The Fast Fourier Transform (FFT) is one of the most important algorithms in signal processing and data analysis. I've used it for years, but having no formal computer science background, It occurred to me this week that I've never thought to ask how the FFT computes the discrete Fourier transform so quickly. I dusted off an old algorithms book and looked into it, and enjoyed reading about the dece
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