Importance of vacuum-atmospheric pressure First, a review of the vacuum-atmospheric pressure relationship. Theoretically, one atmosphere (atm) at mean sea level is equal to 14.7 psi (1,013 mbar) or 29 ...

Researchers have grown diamonds under conditions of 1 atmosphere pressure and at 1025 degrees Celsius using a liquid metal alloy composed of gallium, iron, nickel, and silicon, thus breaking the ...