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Fisher & Paykel Appliances Holdings Limited (/ ˈ p aɪ k əl /) is a major appliance manufacturer founded in 1934. [3] It is a subsidiary of Chinese multinational home appliances company Haier [3] and is based in East Tāmaki, New Zealand.
The term is an acronym for microwave amplification by stimulated emission of radiation. Nikolay Basov, Alexander Prokhorov and Joseph Weber introduced the concept of the maser in 1952, and Charles H. Townes, James P. Gordon, and Herbert J. Zeiger built the first maser at Columbia University in 1953.
A microwave oven or simply microwave is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. [1] This induces polar molecules in the food to rotate and produce thermal energy (heat) in a process known as dielectric heating .
Year built/demolished 1 Cape Race LORAN-C transmitter: Cape Race, Newfoundland: 411.48 m/1350 ft 1965–1993 (collapsed) 2 CKX-TV Craig Television Tower: Hayfield, Manitoba: 411.48 m/1350 ft 1973–1983 (collapsed) 3 CBC Tower: Shawinigan, Quebec: 371 m/1217 ft 1972–2001 (demolished by explosives after aircraft collision) 4 CHCH Television Tower
The modern magnetron is a fairly efficient device. In a microwave oven, for instance, a 1.1-kilowatt input will generally create about 700 watts of microwave power, an efficiency of around 65%. (The high-voltage and the properties of the cathode determine the power of a magnetron.)
GE Appliances was originally a part of General Electric, a company which began marketing a full roster of heating and cooking products in 1907. [11] In January 2004, it became part of GE Consumer & Industrial when GE Consumer Products (founded in 1905) merged with GE Industrial Systems (founded in 1930) to form GE Consumer & Industrial.