1644 in science
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The year 1644 AD in science and technology involved several significant events in mathematics, technology, and medicine.
MathematicsEdit
- The Basel problem is posed by Pietro Mengoli, and will puzzle mathematicians until solved by Leonhard Euler in 1735.<ref>Template:Cite book</ref>
TechnologyEdit
- Jacob van Eyck collaborates with the bellfounding duo Pieter and François Hemony to create the first tuned carillon in Zutphen.<ref>Template:Cite book</ref>
PublicationsEdit
- Jan Baptist van Helmont publishes Dageraad ofte Nieuwe Opkomst der Geneeskunst ("Daybreak, or the New Rise of Medicine").<ref name=Helmont/>
BirthsEdit
- 25 September – Ole Rømer, Danish astronomer who makes the first quantitative measurements of the speed of light (died 1710)<ref>{{#invoke:citation/CS1|citation
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DeathsEdit
- 2 July – William Gascoigne, English scientist (born 1610)<ref>Template:Cite book</ref>
- 30 December – Jan Baptist van Helmont, Flemish chemist (born 1580)<ref name=Helmont>{{#invoke:citation/CS1|citation
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