William Morton first demonstrated the use of ether as an anesthetic, but no one knows who actually invented anesthesia. After Morton's demonstration at Massachusetts General Hospital, several people came forward claiming they had discovered anesthesia much earlier.Know More
Horace Wells claimed to have invented the use of nitrous oxide for anesthesia two years before Morton's demonstration. Wells, a dentist, got the idea for using nitrous oxide while he was watching a laughing gas demonstration. One of the audience members hurt his leg during the event, but the injured man was not aware he had hurt himself. The following day, the man who gave the demonstration went to Wells' office and administered nitrous oxide to the curious dentist. Although a colleague extracted one of his teeth, Wells reported feeling no pain.
Charles Jackson, one of Morton's teachers, claimed he discovered the use of ether as an anesthetic and suggested Morton try the technique.Learn more about Inventions
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 >
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 >
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 >