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National Academy of Engineering: Greatest Achievements of the Twentieth Century

Curated by ACT

A history of the technological innovations of the twentieth century, told with timelines, essays, overviews, and images.

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Classroom Considerations
  • Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
  • This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information