The invention of the typewriter is attributed to several inventors, including Henry Mill's concept typewriter of 1714, Rasmus Malling-Hansen's writing ball of 1870 and Christopher Latham Sholes' successful American typewriter of 1868. Sholes' design is the basis for the modern typewriter.Know More
In 1714, Mill, an English engineer, obtained a patent for a machine for transcribing letters. In 1808, the first functional typewriter was made by Pellegrino Turri. In 1829, the first American patent for a primitive typewriter was given to William Burt. Malling-Hansen's invention of the writing ball in 1870 was another successful version of the typewriter. It was a sphere covered in keys.
However, Latham Sholes' design in 1868 was much more successful, debuting on the American market in 1874. It was called the Remington and was constructed with circular glass, part of a table, piano wire and carbon paper.Learn more in Inventions
At the peak of its popularity, the typewriter had a revolutionizing impact on communications, as well as on the social liberation of women. Since the typewriter so effectively opened up secretarial employment opportunities for women, the man credited with its initial mass-production was once hailed as a "savior of women."Full Answer >
Brahmagupta, a Hindu mathematician and astronomer, first used a dot underneath other numbers to represent the number zero in 628 A.D. He was the first to develop additive and subtractive operations that use zero.Full Answer >
Modern ice hockey rules were created by Canadian athlete, journalist and lawyer James George Aylwin Creighton. The first game of modern ice hockey was played in 1875 in Montreal, Canada. Ice hockey likely evolved from field hockey played in Northern Europe.Full Answer >
Yogurt has been part of the human diet since around 6000 to 5000 B.C and was first made in Central Asia. Yogurt sold in its frozen form was invented in the early 1970s by a dairy operator from New England named H.P. Hood.Full Answer >