Why shaving dulls even the sharpest of razors - Phys.org

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Razors, scalpels, and knives are commonly made from stainless steel, honed to a razor-sharp edge and coated with even harder materials such as diamond-like carbon. However, knives require regular sharpening, while razors are routinely replaced after cutting m… https://phys.org/news/2020-08-dulls-sharpest-razors.html
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