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2. Microwave oven - Wikipedia

   en.wikipedia.org/wiki/Microwave_oven

   Globally. 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 vibrate [ 2] and produce thermal energy in a process known as dielectric heating. Microwave ovens heat foods quickly and ...

3. Sulfur lamp - Wikipedia

   en.wikipedia.org/wiki/Sulfur_lamp

   The sulfur lamp (also sulphur lamp) is a highly efficient full-spectrum electrodeless lighting system whose light is generated by sulfur plasma that has been excited by microwave radiation. They are a particular type of plasma lamp, and one of the most modern. The technology was developed in the early 1990s and appeared promising, but was not a ...

4. Traveling-wave tube - Wikipedia

   en.wikipedia.org/wiki/Traveling-wave_tube

   A traveling-wave tube ( TWT, pronounced "twit" [ 1]) or traveling-wave tube amplifier ( TWTA, pronounced "tweeta") is a specialized vacuum tube that is used in electronics to amplify radio frequency (RF) signals in the microwave range. [ 2] It was invented by Andrei Haeff around 1933 as a graduate student at Caltech, and its present form was ...

5. AOL Mail

   mail.aol.com

   You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

6. Induction lamp - Wikipedia

   en.wikipedia.org/wiki/Induction_lamp

   The induction lamp, electrodeless lamp, or electrodeless induction lamp is a gas-discharge lamp in which an electric or magnetic field transfers the power required to generate light from outside the lamp envelope to the gas inside. This is in contrast to a typical gas discharge lamp that uses internal electrodes connected to the power supply by ...

7. Philips - Wikipedia

   en.wikipedia.org/wiki/Philips

   It produced A19 lamps (including the "Royale" long life bulbs), PAR38 lamps and T19 lamps (originally a Westinghouse lamp shape). Philips closed the factory in May 2003. The Trois-Rivières, Quebec plant was a Westinghouse facility which Philips continued to run it after buying Westinghouse's lamp division in 1983. Philips closed this factory a ...