If you need to create a high vacuum, there are basically two options: turbomolecular pumps and diffusion pumps.

The Minnesota Lynx entered Tuesday’s Game 2 matchup with a perfect 10-0 record against the Phoenix Mercury in WNBA playoff games at Minneapolis' Target Center. The Mercury snapped that streak with a ...

A plastic 4-pin base with tipless domed envelope. Stamped on envelope: "83". Donor’s card reads: “Full-wave mercury vapor rectifier made by the Radio Corporation of America about 1935 or before.

Plastic 4-pin base, top contact, S-shaped envelope. Donor’s card reads: “Half-wave mercury vapor rectifier made by Westinghouse for the US government during World War II. This tube is the Westinghouse ...

The Phoenix Mercury advanced to the WNBA Finals after defeating the Minnesota Lynx. The Mercury will face either the Las Vegas Aces or the Indiana Fever in the championship series. The WNBA Finals are ...

GWINNETT COUNTY, Ga. — Residents of a Gwinnett County neighborhood gathered in protest on Saturday afternoon against a proposed crematorium and funeral home along Centerville Highway. The ...

On Sunday night, the Phoenix Mercury eliminated the No. 1 seed Minnesota Lynx with an 86-81 win in Game 4 of the WNBA semifinals to make it back to the WNBA Finals for the first time since 2021.

Virgo, today calls for decluttering your life, both mentally and physically. Release unnecessary tasks and worries to welcome clarity and opportunities. In love, let go of doubts and nurture closeness ...

Federal health officials are warning consumers not to eat certain heat-and-eat pasta meals sold at Walmart and Trader Joe’s because they may be contaminated with listeria bacteria linked to a deadly ...

Add articles to your saved list and come back to them any time. A paddleout tribute organised to commemorate the recent death of shark victim Mercury Psillakis at Dee Why was always expected to draw a ...

California kept its bragging rights as the world’s fourth-largest economy in the latest update on state-level business output. The Golden State economy was producing goods and services at a ...

The much-loved brothers from Sydney’s Northern Beaches would surf every morning. “I’d park my car here at Long Reef,” Mike told the assembly of surfers standing on the sand on Saturday. “Merc used to ...