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Writing with water on a superhydrophobic surface immersed under water

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Published on Jun 14, 2012

An international team of researchers led by Aalto University have come up with an entirely new concept of writing and displaying information on surfaces using simply water. They exploit the unique way a trapped layer of air behaves on a lotus-inspired dual-structured water-repelling surface immersed under water.

"Reversible switching between superhydrophobic states on a hierarchically structured surface"
http://dx.doi.org/10.1073/pnas.120432...

Collaboration with:
Aalto University (Finland)
Nokia Research Center (UK)
University of Cambridge (UK)

Video by Henrikki Mertaniemi and Juuso Korhonen 2012

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