As cool as they look, skateboard wheels are more than funky designs spinning underneath your skateboard. They also shape your maneuverability and speed. Your wheels also determine your ability to land ...

Measuring the “hardness” of soft, spongy elastomers—foams—is an inexact science. There is usually a surprisingly broad spread in the data normally provided by devices such as a durometer, a tool for ...

Shore testing accurately measures the hardness of elastomeric and plastic material, including adhesives. The two scales most frequently used for determining Shore hardness when materials are compared ...