Sometimes water spreads evenly when it hits a surface; sometimes it beads into tiny droplets. While people have noticed these differences since ancient times, a better understanding of these properties, and new ways of controlling ...
General Physics
Jul 16, 2013
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Unique nano-structures on guillemot eggshells eggs enable them to survive precarious habitats, on exposed cliffs with no nest. A new study, to be presented at the Society for Experimental Biology meeting in Valencia on July ...
Plants & Animals
Jul 4, 2013
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Echolocation is a powerful technique that uses sound or ultrasound waves to locate objects and surfaces. Ships and submarines, for example, use it to avoid collisions, and dolphins and microbats use it to locate prey (see ...
General Physics
May 8, 2013
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(Phys.org)—Researchers from the University of Michigan working in collaboration with associates from the US Air Force have created a new type of surface cover that repels oils, water, alkali solutions, acids and even non-Newtonian ...
(Phys.org)—Japanese AV equipment maker Dai Nippon Printing (DNP) has unveiled a new type of plastic cover sheet that may soon replace glass screen covers on smartphones and tablet computers. The new material is reportedly ...
(Phys.org)—The colors of a butterfly's wings are unusually bright and beautiful and are the result of an unusual trait; the way they reflect light is fundamentally different from how color works most of the time.
Nanomaterials
Oct 11, 2012
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(Phys.org)—Instead of dust-bunnies under the sofa, this dust helps form ice crystals that are at the heart of clouds. Researchers at Pacific Northwest National Laboratory used dust's loftier disposition to create a new ...
Earth Sciences
Sep 26, 2012
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(Phys.org) -- Scientists at Pacific Northwest National Laboratory determined the wettability—the preference of a rock or other surface to attract or repel water—of different surfaces by experimentally measuring ...
Materials Science
Jun 7, 2012
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Scientists are reporting development and successful testing of a fabric coating that would give new meaning to the phrase "stain-resistant" -- a coating that would take an active role in sloughing off grease, dirt, strong ...
Materials Science
Apr 25, 2012
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(PhysOrg.com) -- Working together, Matthieu Gaudet and Steve Arscott from the University of Lille (IEMN lab) in France have built a circuit using a phenomenon known as photoelectrowetting, which allows a switch to be turned ...
