Water-blocking material mimics spider hair

Scientists have created a flat surface patterned after the body hair of spiders that refuses to get wet.

The surface also has the added benefit of being self-cleaning, since water does a pretty good job of picking up and carrying off dirt as it is being repelled.

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I wonder if this would work on PCBs.

Very interesting stuff.

now THAT would be interesting - imagine an immersion cooling system using water....