Before we begin This is a story about gallium’s discovery and how it played a part in the acceptance of the then newly invented periodic table. Gallium was discovered by French chemist Paul-Emile Lecoq de Boisbaudran and you probably associate the periodic table with Russian chemist Dmitri Mendeleev. Why then are you staring at the...
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November 22, 2025November 22, 2025Children, Science & Tech
How do airbags work?
Testing. Testing. The auto mechanics are hard at work making sure the air-filled balloon-looking pillow-like bags work and deploy properly in this sleek and brand new car. Look at the dashboard and see how firmly the system is incorporated. But wait a minute, how does it know when to pop out and how can we...
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November 18, 2025November 18, 2025Children, Science & Tech
Katherine Johnson: NASA’s forgotten human computer
At the age of 10, a young African American girl in Virginia, U.S.A., started high school and then went on to graduate from West Virginia State College at 18, earning degrees in mathematics and French. From a small town to being of extreme importance to NASA in the late 20th Century, this is the story...
