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
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 >
Badminton was not invented by one specific person. The sport has its roots in ancient games, such as battledore and shuttlecock. The modern sport developed in India, where it was known as "poon." British soldiers stationed there brought it back to England in the mid-19th century.Full Answer >
The concept of mapping the Earth using two sets of parallel lines, one running from north to south and the other from east to west, was first utilized by the Greek Eratosthenes. Hipparchus, another Greek, was the first to use these lines as coordinates for specific locations.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 >