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© Cyril FRESILLON/ESPCI/CNRS Images
A strip of material is deformed in an oven
Max. size47.55 x 31.7 cm / 300 dpi
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A strip of material is deformed in an oven. It is subjected to torsion stress, clearly visible in bright colors under polarized light. These colors fade away within a few minutes when hot: the material has taken a new, permanent shape.