Atmospheric air will enter a refrigeration system any time it is opened for service or any time a new system is being assembled. Atmospheric air contains nitrogen, oxygen, and water vapor, all of ...

Cool idea: NIST’s Daniel Barker, Steve Eckel, Jim Fedchak, Julia Scherschligt and colleagues have developed and tested a technique that uses cold atoms to measure ultralow pressures. (Courtesy: NIST) ...

Necessity might be the mother of all invention, but we often find that inventions around here are just as often driven by expensive off-the-shelf parts and a lack of willingness to spend top dollar ...

Vacuum cleaners have been found a use beyond dust-busting - to test the effectiveness of respiratory muscles in lung disease patients. The cleaning equipment is being used in a laboratory at the Royal ...