Thứ Năm, 6 tháng 8, 2020

NPR News: Cutting-Edge Research Shows How Hair Dulls Razor Blades

Cutting-Edge Research Shows How Hair Dulls Razor Blades
Hair is soft compared to steel, but shaving can dull a razor surprisingly quickly. A new study examines exactly how a strand of hair can chip and crack a sharp blade.

Read more on NPR
Health & Science - August 7, 2020 at 01:00AM - Cutting-Edge Research Shows How Hair Dulls Razor Blades

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