The Apparatus
Visible light no current
Infra-red no current
Visible light with 30 amps
Infra-red with 30 amps
Published: Tuesday 21 March 2006 - Updated: Thursday 19 April 2007
To demonstrate the concepts of stress, strain, Poisson's ratio and the strength of a material.
See Diagram.
Click on pictures to enlarge.
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Three bars are available for demonstrating the concepts of the strength of materials, Poisson's ratio, breaking strength etc. All bars were originally the same length.