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   Wireless technology begun when Guglielmo Marconi transmitted a Morse code signal across the Atlantic Wireless technology begun when Guglielmo Marconi transmitted a Morse code signal across the Atlantic
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   The Wright Brothers' first-ever flight of a motorized airplane in 1903 spawned the age of flight and much of its attendant technology. The Wright Brothers' first-ever flight of a motorized airplane in 1903 spawned the age of flight and much of its attendant technology.
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   The car is one of the most revolutionary developments of the century. The car is one of the most revolutionary developments of the century.
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   Thomas Edison demonstrated the first talking motion picture. Thomas Edison demonstrated the first talking motion picture.
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   the "fridge" became an indispensable household item that could store foods safely for longer periods. Today, fewer than 1 percent of American homes are without one. the "fridge" became an indispensable household item that could store foods safely for longer periods. Today, fewer than 1 percent of American homes are without one.
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   It gave rise to live news and entertainment programs. The radio would prove to be a galvanizing force during World War II. It gave rise to live news and entertainment programs. The radio would prove to be a galvanizing force during World War II.
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   Today, it is one of the greatest contributors to air safety. By bouncing radio waves off moving vessels, ground stations can detect the position of objects in the sky or on the ground. Today, it is one of the greatest contributors to air safety. By bouncing radio waves off moving vessels, ground stations can detect the position of objects in the sky or on the ground.
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   The microwave oven was invented by Percy Spencer The microwave oven was invented by Percy Spencer
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   The transistor gave birth to the digital age. Without it, we wouldn't have the personal computer, the CD player, the fax machine and countless other devices. The transistor gave birth to the digital age. Without it, we wouldn't have the personal computer, the CD player, the fax machine and countless other devices.
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   Television TV has probably had the most impact of any communications device during the 20th century Television TV has probably had the most impact of any communications device during the 20th century