Top 10 Things Invented by Women (How Stuff Works)

Noting the wasted energy in the return stroke involved in a two-handled pit saw’s cutting action, a Shaker woman created a prototype for the circular saw. Though the invention would revolutionize saw mills and the entire construction industry, its creator never made a penny from it. In honor of Women’s History Month, How Stuff Works has compiled a list of the “Top 10 Things That Women Invented” and the stories behind them.

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