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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Loading/Icing Refrigerated Cars

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Loading/Icing Refrigerated Cars

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…

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Using Drones to Assess Damage

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Using Drones to Assess Damage

Drones (UAV) Inquiry Unit

Often when a natural disaster occurs, it is difficult for first responders and government officials who have evacuated to know what has happened to their town in the hours, and sometimes days, followi…

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Refrigerated Rail Car

Inquiry Unit

Refrigerated Rail Car

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…

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