Chemical etching (also called photochemical etching, photo etching, or chemical milling) is a precision manufacturing method used to produce intricate metal components without the mechanical stresses ...

(GC) is an analytical technique used to separate and detect the chemical components of a sample mixture to determine their presence or absence and/or quantities. These chemical components are usually ...

Liquid chromatography (LC) is a chromatographic technique used to separate and analyze mixtures of chemical components in solution, to determine if a specific component is present or absent and, if ...

In Star Trek, Mr. Spock’s hand-held tricorder can instantly tell what something is made of. We don’t have tricorders yet, but we’re getting close. Portable devices just a little too big to hold in one ...

Designated August 29, 2013, at the U.S. Department of Agriculture, Agricultural Research Service, Western Regional Research Center in Albany, California. Flavor is caused by receptors in the mouth and ...

Chemical digestion is one of the six main functions of your digestive system. This system consists of your digestive or gastrointestinal tract and accessory organs. During chemical digestion, your ...