We just figured out why shaving soft hair blunts steel razor blades

Cutting soft materials like hair can blunt even the sharpest blades surprisingly quickly, and now we know why – offering clues to designing longer-lasting razors

Source:
https://www.newscientist.com/article/2251202-we-just-figured-out-why-shaving-soft-hair-blunts-steel-razor-blades/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home