When it comes to value and longevity, there is a big difference between sterling silver and silver plate. Jewelry expert, Rachel Akmakjian, joined Hannah to demo some at home methods to test your ...

Bullion dealers and pawn shop owners require appropriate tools to ensure they are providing their customers with pure gold, silver, and other precious metals. Several analytical methods are used to ...

When first introduced to mechanical testing of composite materials, one can be confused, even overwhelmed, by the number of available test standards. One reason for this large variety of tests is the ...

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 ...