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
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 >
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 >
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 >