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Inventions of the 20th Century: From Mind to Matter
This century has seen unparalleled advances in technology and mass production. Read the stories behind over 40 of the most important inventions to date, in fields such as medicine, aeronautics, and transportation. From the paper clip to the compact disc player, they're all here at this excellent site.
TakanoriKanagawa University Junior High School, Yokohama, Japan
GopalWoodward Academy, College Park, GA, United States
NaveenCentennial High School, Roswell, GA, United States
19 & under
Tom SewellCentennial High School, Roswell, GA, United States
Michio KobayashiKanagawa University Junior High School, Yokohama, Japan
Business & Industry
Science & Technology > Technology > Inventions