Stres Patterns interactive, Science Museum, London, 1996.
3 4 c m
40cm
actual image size: 32cm x 26cm

Stres Patterns interactive, Science Museum, London, 1996.

ScM Photo Studio

© Science Museum / Science & Society Picture Library

Description

Polarised light is used to show up the streses in plastics, as each different amount of stres in the plastic causes interference which cuts out more of one colour than of the others. The effect is called 'photoelasticity', and engineers use it to predict streses in buildings or machines before they are built - they first make a scale model of the structure in plastic.
 

Artist

 

Image Ref.

10296140
 

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