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Wolverine Lake, MI
Joined August 2010
On this day in history โ€” October 20, 1903: Inventor Elmer Gates patented an educational shape-sorting toy with geometric blocks and matching openings. Credit: U.S. Patent 741,903. #STEMWire (stem.news) ๐Ÿ›ฐ๏ธ
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On this day in history โ€” October 19, 1941: Palmer C. Putnamโ€™s team synchronized the first megawatt wind turbine with a commercial power grid. Credit: NASA. ntrs.nasa.gov/api/citations/โ€ฆ #STEMWire (stem.news) ๐Ÿ›ฐ๏ธ
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On this day in history โ€” October 18, 1954: Regency and Texas Instruments introduced the TR-1, the first commercial transistor radio, launching portable consumer electronics. Credit: Smithsonian Institution. #STEMWire (stem.news) ๐Ÿ›ฐ๏ธ
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On this day in history โ€” October 17, 1855: Inventor and metallurgist Henry Bessemer patented an early steelmaking process that forced air through molten metal. Credit: Smithsonian Institution. #STEMWire (stem.news) ๐Ÿ›ฐ๏ธ
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