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The year 1815 in science and technology included many events, some of which are listed here.

1 Technology

• Dental floss is invented by Levi Spear Parmly

2 Geology

• April 5 - Volcanic eruption of Mount Tambora on the Indonesian island of Sumbava . About 92,000 people die as a direct consequence of this disaster, the largest volcanic eruption in recorded history. The eruption sends so much volcanic ash into the atmosphere that weather patterns around the world are altered, causing the following year to be nicknamed the " Year Without A Summer"

3 Awards

• Copley Medal: David Brewster

4 Births

• October 31 - Karl Weierstraß, mathematician († 1897See also Other events of 1897 List of years in science. 1896 in science 1897 in science 1898 in science. The year 1897 in science and technology included many events, some of which are listed here. Medicine Epinephrine first discovered by John Jacob Abel)

5 Deaths