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The Interesting History and Function of Automated Teller Machines

ATM machines have been around since the 1960s, but it took quite a while for them to catch on with consumers.September 02, 2019ATMs have been around since 1967, and they have since played a pivotal role in banking structures and people& 39;s lives around the world. Surprisingly, these money-dispensing devices don& 39;t have a single inventor.
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Headphones & Earphones Tutorial

Earphones, Headphones & Headsets includes:Introduction to Earphones & headphonesHeadphone specificationsHow to buy best headphones / earphones for youHeadphones earphones and headsets have been around for many years - they have been used since the very earliest days or radio, and have been considerably developed over the years.
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The Mysteries of the Giza Plateau

Over the years, travellers to Egypt had reported finding a curious object in the desert near the pyramids. It was essentially a giant head partially buried in the sand.RELATED: FASCINATING FACTS ABOUT THE GREAT SPHINX OF GIZA AND HOW IT WAS BUILTComing to be called the Great Sphinx, the statue was attributed to the Pharaoh Khafre (2,558 – 2,532 BC) because it lay near to the funerary complex surrounding the Second Pyramid, which was built by Khafre.
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How Ed White, the First American to 'Spacewalk', Gave NASA a Much Needed Boost

After the launch of the Sputnik satellite in 1957 by the Soviet Union, the United States would be in a race to catch up to the Soviet Cosmonauts as the U.S.S.R. racked up milestone after milestone. To Americans who had their faith in their nation’s technological prowess badly shaken, the humiliating second place finishes seemed like they would never end—until NASA Astronaut Ed White performed the first-ever spacewalk by an American.
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How Jeffrey Hall's Fruit Fly Fascination Cracked the Circadian Rhythm

Jeffrey C. Hall is a Nobel Prize-winning geneticist whose interest in fruit flies has proved revolutionary for our understanding of our circadian rhythms. Here we explore the man behind the Nobel Prize and briefly touch on why his work was so important.RELATED: NOBEL PRIZE IN MEDICINE AWARDED FOR THE DISCOVERY OF HOW OUR CELLS TRACK TIMEWho is Jeffrey C.
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Polarisation of electromagnetic waves

Electromagnetic Waves Tutorial Includes:Electromagnetic wavesRadio spectrumPolarisationThe polarisation of electromagnetic waves often has a significant effect on the way in which radio wave propagate. While it is important to match the polarisation of the transmitting and receiving antennas, the choice of polarisation is also important for the signal propagation.
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