Soon after leaving the mechanic, I noticed my vacuum pressure gauge was reporting high vacuum pressure on idle - 5 inches of vacuum pressure on idle. (mechanics.stackexchange.com)
He set up his experiment to measure spin angular momentum of photons in high vacuum, with measurements based on the rotation of a two - inch diameter wave plate — a device that can alter the polarization state of light passing through it. (sciencedaily.com)
The first is a graphene liquid cell, a bag one molecule thick that can hold liquid inside it while being exposed to the ultra high vacuum of the electron microscope column. (sciencedaily.com)