By Ashritha Raghavendra
June 23, 2022
Johnson invented a double-cylinder hand-crank ice cream machine before the invention of freezers in 1843. It could separately create and store two flavours at the same time.
Ice Cream Maker
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Hopper invented a compiler that translated written language into computer code. She also contributed to Harvard’s Mark I Computer and COBOL — an early computer programming language.
Computer Software
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The ISS is powered by a long-lasting nickel-hydrogen battery — created by the genius Olga. She was the highest-ranking Hispanic at NASA Glenn Research Center.
Space Station Batteries
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Cochrane created a motor turning a wheel inside a copper boiler and used water pressure to clean dishes faster. Her patented invention led her to pay off her debts and open her own production factory.
Dishwasher
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Bentz invented an easy way to make coffee by placing it in a filter with parchment paper and pouring water over it. Her Germany-based company now produces 50 million filters every day.
Coffee Filter
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Gilbreth was an engineer and psychologist. She did intrinsic research on the psychological impact of work spaces on productivity and the foot pedal trash can is one of her many ergonomic inventions.
Foot Pedal Trash Can
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An MIT researcher, Telkes was a pioneer in the field of solar thermal storage systems. She created the first solar-heated system for her home in Massachusetts.
Thermoelectric Power Generator
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A pioneer in the field of ophthalmology, Dr Bath’s laserphaco painlessly dissolves cataracts before applying new lenses to patients' eyes. This technology is used globally to prevent blindness.
Laser Cataract Surgery
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