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Rakon Limited is a technology company founded in 1967 that designs and manufactures frequency control products, primarily quartz crystals and temperature-compensated crystal oscillators ( TCXO ), [1] oven controlled crystal oscillators ( OCXO) and voltage controlled crystal oscillators ( VCXO ). [2] Its head office is in Auckland, New Zealand ...
Coldspot. Coldspot was a brand by US retail company Sears that existed from 1928 to 1976, when it was replaced with the Kenmore brand. [1] The brand was originally created for a line of refrigerators. Other products sold under the Coldspot brand included freezers, dehumidifiers, and window air conditioning units.
End-of-train-device (ETD) or flashing rear-end device (FRED) An ETD on a container train A form of electronic caboose with a flashing red light mounted on the end of a train. Also monitors various train functions such as brake-pipe pressure, motion, and GPS location. Engineer (US) The operator of a locomotive Espee
Sabbath mode. Sabbath mode, also known as Shabbos mode (Ashkenazi pronunciation) or Shabbat mode, is a feature in many modern home appliances, including ovens, [1] dishwashers, [2] and refrigerators, [3] which is intended to allow the appliances to be used (subject to various constraints) by Shabbat-observant Jews on the Shabbat and Jewish ...
W. E. Gifford and R. C. Longsworth, in the 1960s, invented the so-called Basic Pulse Tube Refrigerator. The modern PTR was invented in 1984 by Mikulin who introduced an orifice to the basic pulse tube. He reached a temperature of 105 K. Soon after that, PTRs became better due to the invention of new variations.
In some cases, there is no balance if a patient lacks an in-person option or that visit is tough to schedule. If possible, Lee recommends an initial visit in person and then telemedicine follow ...
A record-breaking 5.5 million new business applications were registered in 2023, according to the U.S. Chamber of Commerce. Twenty-four-year-old Kiki joined this wave and launched several ventures ...
The Einstein–Szilard or Einstein refrigerator is an absorption refrigerator which has no moving parts, operates at constant pressure, and requires only a heat source to operate. It was jointly invented in 1926 by Albert Einstein and his former student Leó Szilárd, who patented it in the U.S. on November 11, 1930 ( U.S. patent 1,781,541 ).