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By the 1930s, millions of people around the world listen to news, sports, and their favorite shows on their AM (Amplitude Modulation) radios. But technological problems persi…
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After graduating from Columbia University, Armstrong works there as a lab assistant and then serves as an officer in the U.S. Army Signal Corps during World War I. While in the army, Arm…
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From an early age, Edwin H. Armstrong is intrigued with wireless technology and decides to become an inventor. In 1912, as a senior in college, he makes a major breakthrough in wireless …
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Electric Lighting Inquiry Unit
Seldom told is the story of Lewis Howard Latimer, yet his name should be synonymous with the history of electric light. The self-taught son of fugitive slaves, Latimer's career spans from exemplary se…
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Electric Lighting Inquiry Unit
David, a 10th grader, takes you on a creative and technical journey by sharing how to make a light bulb with cardboard, pencil lead, and batteries. This hands-on activity is part of the IEEE REACH (re…
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Learn about the progression of the skyscraper from the late 1800s to today and how the invention of new materials and engineering designs forever changed skylines. Skyscrapers are not only iconic imag…
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Electric Lighting Inquiry Unit
Electric light and power has forever changed the world in which we live. At the age of twenty-nine, Thomas Alva Edison builds his Menlo Park laboratory where he begins to focus on the incandescent lam…
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Electric Lighting Inquiry Unit
A key aspect of Edison's success comes from his foresight to create a research laboratory. He is the first inventor to develop such a lab for inventive work. Funding from the Edison Electric Light Com…
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Brief, historical, insight about elevators. Elevators were an essential element needed for the development of skyscrapers. Skyscraper Inquiry Unit Click Here to Download Video…
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From the Empire State Building in New York City to the Kingdom Tower in Jeddah, Saudi Arabia, Josh Vogel of the Skyscraper Museum in New York City takes us on a journey of supertall skyscrapers. Part …
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