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75Ben Franklin's Inventions: Famous and Not
by VickeyK
Ben Franklin had a knack. That's how Orson Scott Card described him in his alt-history series, The Tales of Alvin Maker. In those books, Franklin was acknowledged a true wizard. In real history. . . he's... published 9 months ago
73Types and Kinds of Lightning
by Forever
Lightning is a flash of bright light produced by natural electricity during a thunderstorm, and sometimes during volcanic eruption or dust storms. Lightning can travel at a speed of 220,000 km/h (136,000... published 10 months ago
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