Birdwatch Note Rating
2024-03-21 16:00:00 UTC - HELPFUL
Rated by Participant: 6779E0AAD43619714067981E6F9DF2B436D141CED221F34FB770523E966D0259
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Original Note:
The first semiconductor was built by Karl Ferdinand in 1874 and was not a significant industry in the United States until near 70 years later in the 1940's https://en.m.wikipedia.org/wiki/Karl_Ferdinand_Braun https://www.hitachi-hightech.com/global/en/knowledge/semiconductor/room/about/history.html#:~:text=The%20birth%20history%20of%20semiconductors,the%20junction%20transistor%20in%201948.
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