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Description:
These frames show a strip
of plastic stretched, curling as one side is exposed to ultraviolet
light, and slowly recovering its original shape as it is exposed to
shorter-wavelength ultraviolet light. |
Source:
GKSS Research Center |
Story: Ultraviolet
shifts plastic's shape
TRN April 20/27, 2005 |
TRN Categories:
Materials Science and Engineering
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Form:
Still |
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