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History of PeriscopePeriscope was developed and launched in March 2015 by Kayvon Beykpour and Joe Bernstein. The app was created with the idea of allowing ...

nvention of the PhonographThe phonograph, a device that revolutionized the way sound could be recorded and played back, was created by Thomas Edison in the ...

How Does a Polygraph Work?A polygraph, commonly known as a lie detector test, is a device that measures physiological responses in individuals as they answer a ...

History and Background of PyrometersPyrometers have a rich history dating back to the early 17th century when Galileo Galilei introduced the concept of using a ...

History of FluxmetersThe fluxmeter is a device used to measure the magnetic flux within a given area. It plays a crucial role in various industries by ...

How Altitude is MeasuredAltimeters are crucial instruments that measure altitude, which is the vertical distance between an object and a specified reference ...

History of GalvanometersGalvanometers are electrical devices used to detect and measure small amounts of electric current. The invention of the galvanometer ...

An ammeter is a fundamental tool in the field of electrical engineering used to measure the flow of electrical current in a circuit. It plays a crucial role in ...

Types of HydrometersHydrometers come in various types depending on the industry and specific application they are used for. The three main types of hydrometers ...

History of AnemometersAnemometers have been instrumental in weather forecasting for centuries. Early designs of anemometers date back to ancient times, with ...