Disposable diapers were invented by Paulistr in Sweden in 1942. The first disposable diaper was made from unbleached, creped cellulose tissue held in rubber pants.Know More
Disposable diapers continued evolving in 1946, when a housewife invented a waterproof covering for cloth diapers. This covering was called a "boater" and had four snaps that replaced safety pins.
In the early 1950s, chemical engineer Victor Mills invented the first "real" disposable diaper. At the time of the invention, Mills worked at Proctor & Gamble. He used his grandchildren as test subjects, and within a couple of years, Pampers were born.
Today, disposable diapers have replaced cloth diapers in most households, and there are a number of different brands and sizes to choose from.Learn more about Inventions
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 >
StyleList claims that Egyptians invented the first version of the flip-flop sandal around 4000 B.C. The oldest existing pair of flip-flops is on display at the British Museum.Full Answer >
Dr. James Naismith is credited for inventing netball. The no-dribble game was a spinoff of basketball that he invented in 1891 at a YMCA in Springfield, Mass.Full Answer >
In 1897, the pencil sharpener was invented by John Lee Love. He was issued a patent for it on Nov. 23, 1897. That style of pencil sharpener is still in use today in schools and offices around the world, according to About.com Inventors. It was one of several noteworthy inventions of 1897.Full Answer >