In 1500 B.C., the people of Crete invented sewage disposal systems. Evidence also indicates that the ancient palace of Knossos had a water closet with a wooden seat and flushing system.Know More
In 500 B.C., the Roman Empire had a system of aqueducts and pipes that created indoor plumbing for bathhouses and public wells, which greatly helped with sanitary conditions. In 1596, Sir John Harrington invented the first flushing water closet, but the invention failed to stick due to poor advancements in sewage systems. In the 17th century, French castles were outfitted with indoor privies. However, they emptied into surrounding moats until a sewage system was designed.
In the 18th century, sewage systems, piping and drains were expertly designed and installed in Chicago and New York City. From 1900 to 1932, water closet designs had several hundred pending patents. Charles Neff and Robert Frame designed the plumbing system that has become the standard in the United States.Learn more in Inventions
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 >
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 >
Several products and procedures were invented in 1974. One example is the Post-It Note, which was created by American Arthur Fry. Since their invention, Post-It Notes have been sold in over 100 countries across the world and are still used over 40 years later.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 >