The plastic handle on a disposable razor can’t easily be recycled, and billions of razors end up in landfills each year. But a new design from Kai, a Japanese razor manufacturer, swaps plastic for ...
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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