Wischnegradsky, J [Vyshnegradskii, I. A.] . Sur la theorie generale des regulateurs. In: Comptes Rendus de l'Académie des Sciences de Paris, Vol. 83, 1876, p.318-320, (translated here: On the General ...

Captain Marvel was once upon a time in the 1940's a superhero more popular than Superman, though Superman is the obvious victor over time (and a long time at that). I don't know what Captain Marvel is ...

(https://books.google.com/ngrams/graph?content=&year_start=2000&year_end=2012&corpus=15&smoothing=3&share=&direct_url=) which if you look for the most recent date ...

Rare, scarce, interesting, and unusual books for sale, mostly in the history of physics, math, and technology. The bookstore site is part of a larger daily blog for the History of Holes, Dots, Lines, ...

This enormous, quiet image appeared in The Illustrated London News on 23 June 1945, just weeks after the termination of WWII in Europe. It graphically presents every ship lost by Great Britain in the ...

This is the first installment of a chronology of the anatomical representation of the heart, along with a few metaphorical images tossed in. No commentary yet--just a quick post. All images are either ...

Had there been no Newton every school child would know the name of Robert Hooke (1635-1703) in its place—he was polymathic, totally energized, big-thinking non-sleeping experimentalist and ...

Here's an interesting combination of sweat and electricity--an enormous electrical device that was on display in an exhibit of "natural magic" at the Colosseum in Regent's Park in 1839. The large disk ...

Lewis Carroll created a lovely, simple cipher in the midst of his Alice and Snark and Logic and Sylvie publications. It really is just a simple bit of polyalphabetic substitution, bu tit gets the job ...

A Daily History of Holes, Dots, Lines, Science, History, Math, Physics, Art, the Unintentional Absurd, Architecture, Maps, Data Visualization, Blank and Missing ...

This beauty appears in the pages of Scientific American for 1896, and discusses a proposal for a bridge to connect Manhattan to Jersey, and to do so spectacularly. The plan was for the bridge to be ...