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On this day in history — November 1, 1870: The U.S. Army Signal Corps launched a national weather-observation network, with 24 stations sending synchronous reports by telegraph to Washington. Credit: NOAA. #STEMWire (stem.news) 🛰️
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On this day in history — October 31, 1871: Inventor Thomas W. Baxter patented a machine with adjustable rotating cutters for cutting, dressing and working stone. Credit: U.S. Patent 120,482. #STEMWire (stem.news) 🛰️
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On this day in history — October 30, 1888: Inventor John J. Loud patented a pen with a revolving ball tip for marking rough surfaces. Credit: U.S. Patent 392,046. #STEMWire (stem.news) 🛰️
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Celebrate National STEM Day 2026! Educators, entrepreneurs & community leaders: save 10% on STEM.org Certified™ Expanded Edition—available in 11 languages. Use STEMDAY2026. Enroll: stem.org/certified/ Ends Nov. 30 at 7 p.m. Eastern.
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On this day in history — October 29, 1675: Mathematician Gottfried Wilhelm Leibniz first used the integral symbol ∫ in an unpublished manuscript. Credit: MacTutor History of Mathematics. #STEMWire (stem.news) 🛰️
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Breaking science, technology, engineering & mathematics #STEM news from around the web. #STEMWire v5.0 🇺🇸 inlandrail.com.au/benalla-br…
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