A Daily History of Holes, Dots, Lines, Science, History, Math, Physics, Art, the Unintentional Absurd, Architecture, Maps, Data Visualization, Blank and Missing Things, and so on. |1.6 million words, 7500 images, 4.9 million hits| Press & appearances in The Times, Le Figaro, Mensa, The Economist, The Guardian, Discovery News, Slate, Le Monde, Sci American Blogs, Le Pont, and many other places… 5000+ total posts since 2008.
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JF Ptak Science Books Quick Post
William Coolidge (a long-lived inventor and EE man who ran the GE research lab) developed an improved x-ray tube that was like a Model T compared to existing Model A tubes. In any event I just liked the design of this ad, which appeared in Nature in 1914–especially the rendering of the tube.