'German engineer' diaporamas de présentation

Networks of Tinkerers: a model of open-source innovation

Networks of Tinkerers: a model of open-source innovation. Peter B. Meyer Office of Productivity and Technology, U.S. Bureau of Labor Statistics At IEHA, Helsinki, Aug 24, 2006 This work does not represent official findings or policies of the U.S. Dept of Labor. Open-source technologies.

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RELIABILITY

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Internal Combustion Engines and Lasers

Internal Combustion Engines and Lasers. Heat Engines. In 1824 French physicist Sadi Carnot established the thermodynamic theory of idealized heat engines. This scientifically established the need for compression to increase the difference between the upper and lower working temperatures.

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