Filter Results
Primary Source
Electric Lighting Inquiry Unit
Article from volume 12, number 169 of "The Electrical Engineer" from 29 July 1891 covering the electrification of Hawaii. Download PDF Visit Source…
Learn more
Primary Source
Electric Lighting Inquiry Unit
An advertisement for sign lighting from Edison Lamp Works of General Electric Company. Download PDF Visit Source…
Learn more
Primary Source
Electric Lighting Inquiry Unit
An article by John Humphrey detailing the quality of life without electricity following Hurricane Maria in Puerto Rico. Download PDF Visit Source…
Learn more
Primary Source
Refrigerated Rail Car Inquiry Unit
A photo of 3 men loading strawberries into a refrigerated car and a photo of 2 men "icing" a refrigerated car, both courtesy of the Library of Congress. Download PDF Visit Source 1 Visit Sour…
Learn more
Inquiry Unit
Some technology is so woven into our lives that we barely notice it. We go about our daily routines without giving it a thought, yet, were it not for these advancements, our routines would be very dif…
Learn more
Multimedia
Radio Inquiry Unit
Join historian Alex Magoun on a journey through the history of radio technology from James Clark Maxwell’s theory of electromagnetism to Guglielmo Marconi's use of that theory in long-distance radio…
Learn more
Multimedia
Radio Inquiry Unit
Continue on the historical journey of the radio industry with historian Alex Magoun as he goes back in time and shares how engineers and scientists improved wireless telegraphy from Morse code to the …
Learn more
Multimedia
Radio Inquiry Unit
Listen in as radio expert Al Klase of the New Jersey Antique Radio Club explains the effects radio had on society and culture in the 1920s and watch as he demonstrates and tunes in a station on an aut…
Learn more
Multimedia
Radio Inquiry Unit
This video explores the beginnings of broadcast radio in the home, thanks to Pittsburgh’s KDKA radio station and Westinghouse, which made radio receivers. The electromagnetic “magic” found in sm…
Learn more
Multimedia
Radio Inquiry Unit
Like game consoles and smartphones today, radios in the 1920s were expensive. Fortunately for teens back then, they could build radio receivers using cheap parts found at home and hardware stores. Wat…
Learn more