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Wireless technology begun when Guglielmo Marconi transmitted a Morse code signal across the Atlantic -
The Wright Brothers' first-ever flight of a motorized airplane in 1903 spawned the age of flight and much of its attendant technology. -
The car is one of the most revolutionary developments of the century. -
Thomas Edison demonstrated the first talking motion picture. -
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. -
It gave rise to live news and entertainment programs. The radio would prove to be a galvanizing force during World War II. -
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. -
The microwave oven was invented by Percy Spencer -
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. -
Television TV has probably had the most impact of any communications device during the 20th century
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