Tag Archives: Technology

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

Kalamazoo 2012

For the upcoming Conference, May 10-13, 2012, AVISTA will be offering sessions on the following topics: Thursday, May 10, 1:30 pm, Bernhard 157 Medieval Environments II: Religion and the Environment Organizer: Ellen F. Arnold (Ohio Wesleyan University) Presider: Robert Babcock (Hastings College) “The Lynn White Thesis: The View from Outside Medieval Studies,” Elspeth Whitney (University Continue Reading