Category Archives: Media

Villard’s Hydraulic Saw

Reconstruction of the hydraulic saw drawn by Villard de Honnecourt created by Buzz Dawson and George Brooks, based on earlier work of Jean-Pierre Adam and François Bucher

Villard’s Hammerwheel

Villard's Hammerwheel

A short video of a physical reconstruction of Villard de Honnecourt’s sketch of a “machine that moves itself”, that is, a supposed perpetual motion machine. To give you the long version short: it is NOT a perpetual motion machine. In fact, it works as a self-braking wheel because the center of gravity is always below Continue Reading