J.P. Lemiere invented the first "binocular telescope" in 1825. A binocular is an instrument that provides a magnified view of far-away objects and consists of two similar telescopes, one for each eye, mounted in a single frame.Know More
Ignatio Porro introduced the first modern "prism binoculars" when he filed a patent in Italy for a prism erecting system in 1854. What today is referred to as a "binocular" is actually a binocular telescope consisting of two small prismatic telescopes joined together.
There are many other references to very early binocular telescopes; however, the optical plans for most of these instruments weren't recorded.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 >
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 >