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Born in the early 1900s, Chalmers invented the menstrual cup out of a passion for bettering women's sexual health. Chalmers created her first version of the menstrual cup in 1937, shortly after the invention of the tampon. She sought to create a reusable menstrual product to compete with the existing disposable menstrual products on the market.
Early menstrual cups were made of rubber. [166] The first menstrual-cup applicator was mentioned in a 1968 Tassaway patent; there are also 21st-century versions, but they have not been a commercial success, as of 2024. [167] No medical research was conducted to ensure that menstrual cups were safe prior to introduction on the market. [77]
A cup is an open-top vessel (container) used to hold liquids for drinking, typically with a flattened hemispherical shape, and often with a capacity of about 100–250 millilitres (3–8 US fl oz). [1] [2] Cups may be made of pottery (including porcelain), glass, metal, [3] wood, stone, polystyrene, plastic, lacquerware, or other
Factory-made dolls and doll houses delighted the girls and organized sports and activities were played by the boys. [50] The Boy Scouts was founded by Sir Robert Baden-Powell in 1908, [ 51 ] which provided young boys with outdoor activities aiming at developing character, citizenship, and personal fitness qualities.
It's believed to be the largest one ever made, measuring 5-feet across and drenched in over 70 pounds of chocolate. 3. There's such a thing as a spreadable Reese's.
Invented the tampon with an applicator Earle Haas , D.O. (1888–1981) was an osteopathic physician and inventor of the tampon with an applicator, marketed as "Tampax". He graduated from the Kansas City College of Osteopathy in 1918 and spent 10 years in Colorado as a country general practitioner , then went to Denver in 1928.
The cups are great quality, she notes, so if you drink from the cups daily and consider each day of use worth a dollar, it’s well worth it. “I’m a dancer, so a water bottle is always with me ...
A paper cup may biodegrade faster than a expanded polystyrene (EPS) foam cup or a plastic cup. In general cardboard or paper takes one to three months for biodegradation, as the majority of the content, up to 95%, is made with wood chips. A plastic cup can take up to 90 years to biodegrade, depending on the type of plastic.