Perpetual motion machine/External Links
From Citizendium, the Citizens' Compendium
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- The perpetual myth of free energy BBC News website, July 9, 2007
- Inventor of the Week Archive A short biography of Blaise Pascal published on a page from the website of the Massachusetts Institute of Technology, containing this statement: "Pascal worked on many versions of the (mechanical calculator) devices, leading to his attempt to create a perpetual motion machine."
- The Physical Principles of Unworkable Devices Donald E. Simanek, Professor Emeritus, Physics Department, Lockhaven University of Pennsylvania.
- Hans-Peter's Unpublished publications. HP's Perpetuum Mobile
- 'An Analysis of a Perpetual Motion Machine' - Wired magazine, 8 November 2012.
- 14.04.2009, Pravda.Ru Russian scientists test perpetual motion machine in space