Barbara has written professionally for more than two decades. In the past five years, she has specialized in creating real estate and home improvement content. Besides writing for Forbes Home, she ...

This film discusses hardness testing methods in engineering, specifically focusing on the Brunell and Rockwell hardness tests. It explains how hardness is measured through indentation and penetration ...

You don’t have to be a scientist to know if your home has hard water. Maybe you’ve seen cloudy spots on glassware or experienced a crusted-up kitchen faucet. Maybe the film on the shower door seems ...

Hardness Testing is applied to a great number of materials, and for over 250 years, it has been an invaluable and frequently used mechanical test. A variety of hardness tests can be used to establish ...

Fundamentally, hardness testing determines the resistance a material exhibits in response to the permanent deformation of another material’s penetration. If I take a piece of metal and rub something ...

Sarah Blank is affiliated with the Ames Water Treatment Plant. Timothy Ellis receives funding from the City of Ames, the City of Cedar Rapids, and the City of Fort Dodge, Iowa. He is affiliated with ...