Why shaving dulls even the sharpest of razors

Thursday, August 6, 2020 - 16:20 in Physics & Chemistry

Engineers have studied the simple act of shaving up close, observing how a razor blade can be damaged as it cuts human hair -- a material that is 50 times softer than the blade itself. They found that hair shaving deforms a blade in a way that is more complex than simply wearing down the edge over time.

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