The ancient Chinese and Egyptians invented incubators for hatching eggs. Etiene Stephane Tarnier, a French obstetrician, invented an incubator for premature human infants. It was demonstrated in 1898 in Turin, Italy.Know More
The incubator for infants invented by Dr. Tarnier was warmed by a kerosene flame. It was used at the Paris La Maternite. Modern incubators for premature infants are completely enclosed and maintain a constant temperature and humidity.
Rene-Antoine Ferchault de Reaumur developed egg incubators in Europe in the 1750s. The egg incubator was further developed by Abbe Jean-Antoine Nollet and later by Abbé Copineau. Modern egg incubators can hatch a million eggs at one time.Learn more about Inventions
No single person invented algebra. The roots of algebra extend to the ancient Babylonians, who first developed mathematical techniques to solve problems using algorithms. Later work by Greek, Persian and Indian mathematicians further extended these techniques and laid the foundations for modern algebra.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 >
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 >
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 >