I almost never use bathroom hand dryers, though I always wash my hands scrupulously (one reason, I think, that I didn’t get colds or the flu this year). But the reason has been time, not sanitation: it takes a long time for those things to dry your mitts, and I don’t like to linger in public bathrooms. Instead, if there are no paper towels, I will shake my hands off and let them air dry.
But now there’s an even better reason to avoid public hand dryers—both the hot-air dryers with nozzles and the jet dryers, shown respectively below:
That reason is bacteria. According to articles in BoingBoing, Ars Technica, and other places, based on a new scientific paper, these dryers spray potentially dangerous bacteria and viruses onto your hands—bacteria you wouldn’t get if you used paper towels or used the Coyne air-drying method.
Why? Because the hot…
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Utopia, you are standing in it! 
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