[DOC] [TLE] A magnetron is an electronic tube used to produce these waves ... [PAR] Jeopardy Question: SCIENCE - A magnetron is an electronic tube used to 
produce these waves found in some kitchens. [DOC] [TLE] Microwave oven - Wikipedia [PAR] A microwave oven is a kitchen appliance that heats and cooks food by exposing 
it to microwave radiation in the electromagnetic spectrum. This induces polar 
molecules in the food to rotate and produce thermal ... Raytheon later licensed its 
patents for a home-use microwave oven that was first introduced by Tappan in 
1955... [DOC] [TLE] Cavity magnetron - Wikipedia [PAR] The cavity magnetron is a high-powered vacuum tube that generates microwaves 
using the ... The frequency of the microwaves produced, the resonant frequency, 
... Unlike other microwave tubes, such as the klystron and traveling-wave tube ... 
The magnetron remains in use in some radars, but has become much more... [DOC] [TLE] How microwave oven is made - manufacture, making, used, parts ... [PAR] The ability of microwave energy to cook food was discovered in the 1940s by Dr. 
Percy ... too expensive for most consumers, these early ovens were used 
primarily by ... Near the top of the steel oven cavity is a magnetronan electronic 
tube that ... microwaves to achieve uniform cooking patterns: some use dual 
stirrer fans... [DOC] [TLE] Microwave Oven Essay Sample - Papers And Articles On Bla Bla ... [PAR] These days, in many homes, it is virtually impossible to have a so called modern 
... Dr. Spencer was conducting some tests on the magnetron, when he 
discovered that the ... In 1976, the microwave oven became a more commonly 
owned kitchen ... It is a diode-type electron tube which is used to produce the 
required 2450... [DOC] [TLE] Microwave ovens - World Health Organization [PAR] Microwaves are high frequency radio waves (radiofrequency fields) and, like 
visible ... When used according to manufacturers' instructions, microwave ovens 
are safe and ... However, heating food in a microwave oven presents some 
peculiarities. ... Microwaves are produced by an electronic tube called a 
magnetron. [DOC] [TLE] Microwave Oven [PAR] The first domestic microwave oven was produced in 1967 by Amana (a ... 
marking the beginning of the use of microwave ovens in home kitchens. ... for a 
picture of an actual 1946 magnetron), when he discovered that the candy bar ... 
This time he placed some popcorn kernels near the tube and, perhaps ..... 
Electronic mail [DOC] [TLE] The History of the Microwave Oven - Microtech Factory Service [PAR] This time he placed some popcorn kernels near the tube and, perhaps ... The 
next morning, Scientist Spencer decided to put the magnetron tube near an egg. 
... the Raytheon Company had filed a patent proposing that microwaves be used 
to cook ... reluctant about these first units, and so they found only limited 
acceptance. [DOC] [TLE] A History of the Microwave Oven - IEEE - The Institute [PAR] May 2, 2016 ... Despite some safety concerns, by the mid-1970s millions of microwave ... oven 
was not the first device to exploit radio waves to heat things. ... commercial 
kitchens, some of which used the machine to dry potato chips ... The following 
year, Sharp became the first company to mass produce microwave ovens. [DOC] [TLE] RF Cafe - Who Invented Radar? by Cornell Drentea [PAR] He then designed a unique experiment to demonstrate the use of the bat's ears ... 
He concluded that the bats produced a continuous train of sound pulses and ... 
the electromagnetic waves could be transmitted through some types of materials 
.... practical application of the magnetron in the kitchen, and immediately held a... [DOC] [TLE] High Voltage in your Kitchen: Unwise Microwave Oven Experiments ... [PAR] Usually most of the heat is produced in an outer layer about an inch thick. ... In 
order to safely use metals inside a microwave oven, the cook has to learn 
numerous ... And when you speak, some "acoustic radiation" comes out of your 
mouth. ... Q: Aren't these ovens tuned to a special frequency so they only heat 
water? A: No. [DOC] [TLE] What Are Microwaves? - Live Science

Question: A magnetron is an electronic tube used to produce these waves found in some kitchens
Answer: microwaves