Thursday, 31 October 2013

Triangolazione

›
Domenico da Chivasso. Pratica Geometriae , ms, Firenze, 1346, Biblioteca Medicea Laurenziana, San Marco 215, c.127r.  http://redi.i...

Per il moto dei proiettili

›
   Nicolas Bion. Traité de la construction et des principaux usages des instruments de mathematique , Paris, 1725, tav. 18.  http:/...

Un modo di misurar distanze

›
Cosimo Bartoli. Del modo di misurare le distantie , Venezia, 1564, p. 26r. vedi l'articolo sullo speccio orizzontale di Filippo C...

Pesi e carrucole

›
Leonardo da Vinci - Codice Arundel
Wednesday, 23 October 2013

Robert Grosseteste in the history of science

›
Recently I have studied some treatises written by Robert Grosseteste. Here the links to some papers: 1.  arXiv:1302.1885  [ pdf ]   Refle...
Wednesday, 16 October 2013

Divergence of a Radial Vector Field

›
Divergence of a Radial Vector Field,  Tags: divergence , field , radial , vector ,  adapted from the discussion at   http://www.physic...
Monday, 7 October 2013

Leonardo da Vinci e l'attrito

›
Studio di Leonardo da Vinci sull'attrito. Dal codice ARUNDEL
Tuesday, 1 October 2013

Come vincere la gravità

›
Un artista in via Garibaldi.
Sunday, 11 August 2013

›
"Moving dunes on the Google Earth" is my paper on arXiv, published 4 January 2013. It shows how using GH time series you can see...

NASA spacecraft detects changes in Martian sand dunes

›
NASA spacecraft detects changes in Martian sand dunes May 9, 2012 — NASA's Mars Reconnaissance Orbiter has revealed that moveme...