What is that, wet?

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One of the most real, shared experiences that we have as humans is non-existent in the true sense of cause-and-effect reality. The sense of wetness.

There is no “wet receptor” or nerve fiber type devoted to the sensation of wetness. No indeed. Insects have “humidity receptors” but we lack the ability to feel the water that so defines our planet. The human sensation of wetness is the complex, near magical (if you don’t mind me saying so) confluence of pressure change, light touch change, motion direction, speed and pattern, temperature change, and visual input. Continue reading