Twisted (after wetting in water), then untwisted ("dry" in air)
Sequence: top left, top right, bottom right; bottom left |
Without twisting (in fixed amount of water)
2D wrinkling (before wetting, after wetting; later on)
2D wrinkling (bottom edge) and 1D wrinkling (top edge) (before wetting; water droplet atop; after wetting)
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1D surface wrinkling
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Further wetting in water
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More water
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(FYP) Regine Lee DJ
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Surface patterning |