I'm glad you liked the article. If you want something more "official", here's a link to the IEEE Spectrum: https://spectrum.ieee.org/a-half-century-ago-better-t

I'm glad you liked the article. If you want something more "official", here's a link to the IEEE Spectrum: https://spectrum.ieee.org/a-half-century-ago-better-transistors-and-switching-regulators-revolutionized-the-design-of-computer-power-supplies https://spectrum.ieee.org/a-half-century-ago-better-transist...