Jan-24-15
By using lasers to create permanently hydrophobic metals, researchers have developed an alternative to chemical coatings that can eventually wear away.
The technique involves using powerful lasers to create a precise pattern of micro- and nanoscale structures on the surface of the metal. The tiny grooves were covered with nanometer features somewhat inspired by the lotus leaf, resulting in a hydrophobic material that also appears black from all angles (increasing light absorption).
In tests, common dust particles placed on the surface of the new material were completely removed with only a dozen drops of water. That means that real-world drops of rain or even fog would be enough to clear the material's surface of debris—rendering it essentially self-cleaning.
More Info about this Invention:
[
GIZMAG.COM]
[
ROCHESTER.EDU]
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