How razors wear out, as seen by electron microscopes. If you cut at an angle, the flexing of the hair can snap tiny cracks in the thin blade in regions where the blade metal isn't homogenous--and the cracks grow into tiny chips.
How razors wear out, as seen by electron microscopes. If you cut at an angle, the flexing of the hair can snap tiny cracks in the thin blade in regions where the blade metal isn't homogenous--and the cracks grow into tiny chips.
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