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
This is a simple tally of American patent numbers and the years in which they appeared. I’ve found this list handy from time to time and thought to repost it here. It is a lot easier to have this series posted here than have to wrangle he data out of the occasionally labyrinthine U.S.P.T.O.: