HARDNESS, as recent correspondence in NATURE (vol. cvi., pp. 377, 440, 534, 599, 662, November, 192o–January, 1921) has shown, is a subject of interest to both the engineer and the physicist. Whatever ...

A material’s hardness relates to its mechanical resistance when subjected to mechanical indentation by another harder body. Diamond is considered the hardest natural material and is typically used for ...

The Prima PRO and Sentinel PRO mass spectrometers from Thermo Scientific enhance both process efficiency and workplace safety, transforming gas analysis. Here, our Editor has pulled the pieces that ...

It’s now possible to more easily check the hardness of tiny elastomer part, thanks to a novel testing instrument with supersmall motor-driven probes. Ordinary Shore A hardness testers use a conically ...