Blunt, inefficient razor blades are a recipe for itching, irritation and accidental cuts, so getting fresh, precise blades are a priority for many. Bulk-buying can save shoppers a decent chunk of ...
A team of engineers at MIT led by C. Cem Tasan has discovered why steel razor blades go dull even when cutting hair that's 50 times softer than them. Using an electron microscopic, they found that ...
Close shave: electron microscope image of a razorblade cutting human hair. (Courtesy: Gianluca Roscioli/Tasan Group/MIT) New insights into why a hard steel razor blade is dulled by cutting soft hairs ...
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