Light Through The Ages

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Light Through The Ages

Electric Lighting Inquiry Unit

Promotional literature for the Westinghouse Electric Co. Download PDF Visit Source…

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Inventor Lewis Latimer Biography and Patent

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Inventor Lewis Latimer Biography and Patent

Electric Lighting Inquiry Unit

"Lewis Howard Latimer (1848-1928)...attended only grade school, and the remainder of his education was self-taught...He had a fabulous appetite for reading, drawing, and learning in general. In 1880, …

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Portrait of Hertha Marks Ayrton

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Portrait of Hertha Marks Ayrton

Electric Lighting Inquiry Unit

Hertha Marks Ayrton was a British engineer, mathematician, physicist and inventor. She was the first woman elected member of The Institution of Electrical Engineers (London) 1899, the first woman to r…

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Commercialization of Broadcast Radio in the Home

Multimedia

Commercialization of Broadcast Radio in the Home

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…

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Crystal Radio

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Crystal Radio

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…

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Radio

Inquiry Unit

Radio

The invention of wireless telegraphy-radio-at the end of the 19th century by Marconi and others made it possible to communicate with anyone, anywhere, around the globe. It soon became apparent, howeve…

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