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Comment on Laser-generated surface structures create extremely water-repellent metalsparent

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"As the water bounces off the super-hydrophobic surfaces, it also collects dust particles and takes them along for the ride... Better yet, it remains completely dry."

That requires a sufficient water-to-dust ratio. Driving jeeps in the Congo, or having dust blown up from dunes in a sudden gust, will require wipers. Not to mention pollen.

Couldn't you still have sprayers that would help with this?

Hmm, that's not a bad idea! Current sprayers would obviously be inefficient because they rely on wipers to spread fluid widely over the windshield, but I'm sure that could be changed. (Such as a top pressure-rail for dispensation)

lotus effect

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