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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. [167] 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. [168] 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
Marion O'Brien Donovan (October 15, 1917 – November 4, 1998) was an American inventor and entrepreneur.Recognized as one of the era's most prominent female inventors, [1] she secured a total of 20 patents for her creations.
The term "cup" was not used to describe bras until 1916 [5] when two patents were filed. [6]In October 1932, S.H. Camp and Company was the first to use letters of the alphabet (A, B, C and D) to indicate cup size, although the letters represented how pendulous the breasts were and not their volume.
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.
The sippy cup, training cup (American English) or beaker (British English) is a modern drinking cup designed for toddlers which prevents or reduces spills. Sippy cups, as opposed to an open cup , have a top which prevents spills, and the child drinks either through a spout or straw.
The Bengal Famine of 1943, which resulted in the deaths of around 2-3 million people, is often linked to Churchill’s government due to wartime policies that worsened the crisis.