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 unlikely advertisement was for baseball players with good throwing/pitching skills to enlist in the U.S. Army and throw the newly-design, baseball-weighted and -sized hand grenade.
“The United States Army needed a grenade that would be accident-proof and the baseball bomb has been the result.–Illustrated World, 1916, page 622.
Bob Gibson threw many of these in the 1960’s.
So did this guy a little later on:
