Esophageal manometry is an outpatient test used to identify problems with movement and pressure in the esophagus that may lead to problems like heartburn. The esophagus is the "food pipe" leading from ...

The analog manometer, commonly referred to as a Magnehelic ®, is a test instrument that has been around the HVAC industry for decades. Among many technicians in the field, it is still the test ...

Benjamin Franklin was one of the most creative minds in American history. To aid him in his creative problem solving, he liked to use a piece of paper with two columns drawn on it. Franklin would ...