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Parallelepipeds - Bruxelles, 2009
Shortest distance between lines
[Click here for a PDF version of this post] Motivation. Having just worked one of Karl’s problems for the distance between two parallel planes, I recalled that when I was in high school, I had trouble with the intuition for the problem of shortest distance between two lines. In this post, I’ll revisit that ancient trouble and finally come to terms with it. Distance from origin to a line. Before…
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In his essay on blasphemies & the language of anger, discussing how the sounds of words often matter more than their definitions, Humberto Giannini says that Bertrand Russell once insulted an overcharging greengrocer by spitting out this insult: "Parallelepiped!"
I feel so sorry for Apple users that tumblr decided to ban words.
A parallelepiped is a three-dimensional figure formed by six parallelograms🖤 . . . . #parallelepiped #geometry #oaklandmade #industrialdesign #jpdstudio (at Oakland, California) https://www.instagram.com/p/BwplML6BfM3/?utm_source=ig_tumblr_share&igshid=6n7byotua58b
Pistoia (Tuscany). Tower of Catilina (IX century). Tomb of Catilina street. It overlooks Piazza del Duomo, a parallelepiped, it goes a little unnoticed, set as it is between the buildings that flank it. 30 meters high, from its terrace you can observe the panorama of Pistoia. It is built entirely of "exposed stone". According to legend Lucio Sergio Catilina would be buried near the tower. #tower #catilina #parallelepiped #terrace #pistoia #exposedstone #legend #igerspistoia #tuscany #overlook #unnoticed #panorama #history #travel #vacation #igtravel #tourist #travelingram #traveling #visiting #instatravel #travelling #instapassport #instatraveling #travelgram #estremisti #ilmiolibro #sovversivi #massimopistis #alettieditore Information for the purchase of my new book: the book at a cost of 12.00 euros (120 pages), can be ordered in bookstores (ISBN 978-88-591-5719-9 - Publisher Aletti) or online on the page http: //www.alettieditore.it/emersi/2019/pistis.html from the link below. https://www.instagram.com/p/BvFql4-FE6f/?utm_source=ig_tumblr_share&igshid=1vtgza2268w4f