1642 in science

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The year 1642 in science and technology involved some significant events.

Contents

1 Computing
2 Exploration
3 Technology
4 Births
5 Deaths
6 References

Computing

19-year-old Blaise Pascal begins to develop the Pascaline, the first practical mechanical calculator, initially to help with the recording of taxes.^[1]

Exploration

November 24 - Abel Tasman, Dutch explorer, is the first European known to sight Tasmania, which he names Anthoonij van Diemenslandt.^[2]
December 13 - Tasman is the first European known to sight New Zealand.

Technology

The printmaking process of mezzotint is developed by Ludwig von Siegen.

Births

December 25 (OS) - Isaac Newton, English polymath (d. 1727)

Deaths

January 8 - Galileo Galilei, Italian astronomer (b. 1564)

References

^ Marguin, Jean (1994). Histoire des instruments et machines à calculer: trois siècles de mécanique pensante 1642-1942. Paris: Hermann. p. 48. ISBN 978-2-7056-6166-3.
^ "Isaac Gilsemans Original Chart of the Discovery of Tasmania, 24 Nov. to 5 Dec. 1642". National Library of Australia. http://nla.gov.au/nla.map-ra265-s97. Retrieved 2011-05-19.