The first internal combustion engine was invented by the French engineer J.J. Etienne Lenoir in 1859. It was a gasoline engine with an ignition system. The engine was able to run continuously.Know More
There were earlier attempts to build an internal combustion engine, such as the engine built by the Dutch physicist Christian Huygens in 1680. This was a cumbersome device and did not work on gasoline as gasoline was yet to be discovered.
In 1888, Nikolaus Otto built the first successful four-stroke engine. In that same year, Sir Dougald Clerk built the first two-stroke engine. In 1891, Joseph Day made changes to this engine invented by Sir Dougald Clerk, and it became commercially successful.Learn more about Inventions
Algebra, in its earliest form, was first used by the Babylonians as early as 1700 B.C. It is possible that algebra was used before this time, but historical records are incomplete. However, the algebra used by early civilizations was much more rudimentary than the algebra currently in use today.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 >
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 >
Items invented in 1998 include Windows 98, the iMac computer and the MP3 player. Viagra was also approved for use by the United States Food and Drug Administration in 1998.Full Answer >