The abbreviation mm Hg stands for millimeters of mercury, the chemical element that was used in the first accurate blood ...

A pioneering new initiative seeks to enhance understanding of mercury trade dynamics in Latin America and foster regional ...

A pioneering new initiative seeks to enhance understanding of mercury trade dynamics in Latin America and foster regional ...

so barometric pressure used "inches of mercury" as a unit. Today, the metric units of the bar and the millibar are the preferred units of scientists. Changes in barometric pressure across a region ...

In 1950 the limit of man-made vacuum appeared to be a pressure equivalent to 10 8 millimeter of mercury. A breakthrough in technique now provides pressures four orders of magnitude lower ...