Science and Technology

Topical Reference Page
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Leavitt cancelling machine patent model

Find resources related to science and technology on the National Postal Museum's website.

32-cent Margaret Mead stamp
Women on Stamps: Part 2 - Science: Improving Lives
Exhibition
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13-cent Sound Recording single
About U.S. Stamps - Sound Recording Issue
Exhibition
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60 cent Hubble Space Telescope stamp
Stamp Stories: Telescopes
Wonder at the mysteries of space and learn how telescopes have helped astronomers uncover them.

Learn more About Stamp Stories: Telescopes

13-cent Telephone Centennial single
About U.S. Stamps - Telephone Centennial Issue
Exhibition
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3-cent Thomas A. Edison single
About U.S. Stamps - Thomas A. Edison Issue
Exhibition
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34-cent Fermi stamp
World’s First Self-Sustaining Nuclear Chain Reaction Produced
Exhibition

On December 2, 1942, the Manhattan Project’s team of scientists produced the world’s first self-sustaining nuclear chain reaction at the University of Chicago. To commemorate this important accomplishment, the Smithsonian National Postal Museum has created this mini-exhibit highlighting different objects with connections to this event.

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