The year1571 inscience andtechnology included a number of events, some of which are listed here.

• François Viète begins publication ofFrancisci Vietaei Universalium inspectionum ad Canonem mathematicum liber singularis containing manytrigonometric tables and formulas on thesine andcosine, and novel in using adecimal notation; publication continued until 1579.

• Peder Sørensen publishesIdea medicinæ philosophicæ inBasel, asserting the superiority of the ideas ofParacelsus to those ofGalen.

• 1571 or1572 –Jacques Besson publishes his popular comprehensive treatise on machines,Theatrum Instrumentorum.
• The first occurrence of the wordtheodolite is found in the surveying textbookA geometric practice named Pantometria byLeonard Digges, published posthumously by his son, Thomas.^[1]

• December 9 –Metius,Dutchmathematician (died1635)
• December 27 –Johannes Kepler,Germanastronomer (died1630)
• Willem Blaeu, Dutchcartographer (died1638)
• Frederick de Houtman, Dutch explorer (died1627)^[2]

• Bartolomeo Maranta,Italianphysician andbotanist (born c.1500)

• 1571
• 16th century in science
• 1570s in science

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