19. Modern Electric Refrigerator
Florence Parpart invented the modern electric refrigerator in 1914. It is helpful in preserving the food items in good conditions for long days. She also received a patent for a street-cleaning machine in 1900.
20. Automatic Roti Maker
Pranoti Nagarkar and Rishi Israni are the Indian-origin couples who invented an automatic roti maker called Rotimatic in 2008. This kitchen robot only takes a minute to make rotis, tortillas, pizza crusts, and puris.
21. Experiment On Carbon Dioxide
Eunice Newton Foote was an American scientist and an inventor. She was the first scientist in 1856 to experiment with the warming effect of sunlight on carbon dioxide. She discovered that carbon dioxide trapped the sun’s heat lot compared to other gases. This experiment is now called the greenhouse effect. Foote’s experiment was the foundation for the greenhouse effect.
22. Invisible Glass
Katharine Burr Blodgett was an American physicist and chemist who invented invisible glass by adding non-reflective layers to the glass. It is used in eyeglasses, camera lenses, and telescopes, etc.
These were the amazing things invented by women scientists that improve our life. Which invention in the list surprised you the most? Let us know in the comments below.