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Why did it take so long to invent a longer-lasting bulb? Zachary Crockett finds the answer illuminating.

 

  • SOURCES:
    • Heather Dillon, mechanical engineering professor at the University of Washington in Tacoma.
    • Jane Brox, author of the 2010 book Brilliant: The Evolution of Artificial Light.
    • Markus Krajewski, philosopher and historian of technology at the University of Basel in Switzerland.

 

 


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