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Hello Telephone
In 1876, Scottish emigrant Alexander G. Bell invented the all purposed/useful tool - telephone. The invention helped to replace the old fashion telegraphs with Morse codes to improve communication. The Impact of The Telephone on Communication. Accessed July 31, 2017. http://courses.educ.ubc.ca/etec540/Sept04/kangd/Researchproject/inventionoftelephone.htm.
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Incandescent Light Bulb
The world most famous inventor - Thomas Edison invented the first commercially viable incandescent light bulb in 1879 that could lower current electricity at that time by creating a small carbonized filament, belong with an improved vacuum inside the bulb’s globe.This is why we have Light Bulb nowadays. "The History of the Light Bulb." Energy.gov. Accessed July 31, 2017. https://energy.gov/articles/history-light-bulb.
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The Creation of Kodak Camera
Throw back to 1888, in Rochester, New York, sir George Eastman created the world's first "press-in button" camera which could reload up to 100-exposure roll of flexible film. "Original Kodak Camera, Serial No. 540." National Museum of American History. Accessed July 31, 2017. http://americanhistory.si.edu/collections/search/object/nmah_760118.
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Air Conditioning appeared
Later in 1902, Willis H. Carrier - an engineer at the Buffalo Forge Company (Buffalo, New York), invented the first cooling system that could control temperature. The cooling system helped and provide labors' better working environment yet improving people's living condition. "History of Air Conditioning." Energy.gov. Accessed July 31, 2017. https://energy.gov/articles/history-air-conditioning.
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World's First Airplane
At Kitty Hawk, North Carolina in 1903 the world's first airplane was invented by brothers Orville and Wilbur Wright. Orville was the pilot of world's first flight and it lasted 12 seconds. Later on that day, Orville remained aloft another flight which lasted 59 seconds and traveled up to the sky at 852 feet. The Wright Brothers | The First Successful Airplane. Accessed July 31, 2017. https://airandspace.si.edu/exhibitions/wright-brothers/online/fly/1903/.
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The Birth of Mobile T - Automobile
In the 20th century, most of automakers had in their minds was to maximize their profits by thinking and making cars only for the upper level people - the rich. Instead of that, Henry Ford produced a cheaper version "car" that every person in America could afford at that time. Because of that, Mobile T was born in Detroit in 1908. EconEdLink. Accessed July 31, 2017. http://www.econedlink.org/lesson/692/Henry-Ford-Model-T-Case-Study-Productivity-(Part-3).
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The First Commercial Radio Broadcasts
On November 2, 1920 in Pittsburgh, after the old version of radio, Frank Conrad invented station KDKA - the nation's first commercial broadcast. This was one special event since the introduction was released on Election Day which proved the society how powerful radio at that time by hearing the news before they could read it in the newspaper. PBS. Accessed July 31, 2017. http://www.pbs.org/wgbh/aso/databank/entries/dt20ra.html.
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Television was Born
In 1927, San Francisco an American inventor Philo T. Farnsworth transformed an image through an electronic device which also known as "image dissector." The first all-electronic television was born that way. History of Television - Mitchell Stephens. Accessed July 31, 2017. https://www.nyu.edu/classes/stephens/History%20of%20Television%20page.htm.
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