Razors, scalpels, and knives are commonly made from stainless steel, honed to a razor-sharp edge and coated with even harder materials such as diamond-like carbon. However, knives require regular ...

Low wear on the blade. This material relates to a paper that appeared in the 7 Aug., issue of Science, published by AAAS. The paper, by G. Roscioli at Massachusetts Institute of Technology in ...

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Engineers have studied the simple act of shaving up close, observing how a razor blade can be damaged as it cuts human hair -- a material that is 50 times softer than the blade itself. They found that ...