Why Are Sweaty-Armpit Stains So Dark?
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When we spill water down our front, or sweat profusely, our clothes get darker. Why? The fabric isn't actually changing colors in real time. Rather, our perception of the fabric's color is changing.Why Are Sweaty-Armpit Stains So Dark?
When we spill water down our front, or sweat profusely, our clothes get darker. Why? The fabric isn't actually changing colors in real time. Rather, our perception of the fabric's color is changing. Read more