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A Celsius Galilean thermometer in two degree gradations. A risen orange orb denotes 24 °C. A Galileo thermometer (or Galilean thermometer) is a thermometer made of a sealed glass cylinder containing a clear liquid and several glass vessels of varying density. The individual floats rise or fall in proportion to their respective density and the ...
1612 — Santorio Sanctorius makes the first thermometer for medical use. 1617 — Giuseppe Biancani published the first clear diagram of a thermoscope; 1624 — The word thermometer (in its French form) first appeared in La Récréation Mathématique by Jean Leurechon, who describes one with a scale of 8 degrees. [2]
It is thought, but not certain, that Galileo Galilei discovered the specific principle on which the device is based and built the first thermoscope in 1593. [citation needed] In the 17th century Galileo mentioned to his friend Cesare Marsili that he invented a thermoscope as far back as 1606. [6]
Galileo thermometer: invented by Galileo Galilei in 1593. Toffoli gate: a universal reversible logic gate invented by Tommaso Toffoli. Public toilets: latrines were part of the sanitation system of ancient Rome, placed near or as part of public baths .
These ideas established a tradition that carried forward to Padua and Galileo Galilei in the 17th century. Under the tuition of Grosseteste and inspired by the writings of Arab alchemists who had preserved and built upon Aristotle's portrait of induction , Bacon described a repeating cycle of observation , hypothesis , experimentation , and the ...
Even Galileo accepted it, believing that the pull of vacuum creates a siphon and that the pull can be overcome if the siphon is high enough. In the 17th century, Evangelista Torricelli conducted experiments with mercury that allowed him to measure the presence of air.
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Galileo. 1607 – Galileo Galilei constructs a thermoscope. Not only did this device measure temperature, but it represented a paradigm shift. Up to this point, heat and cold were believed to be qualities of Aristotle's elements (fire, water, air, and earth). Note: There is some controversy about who actually built this first thermoscope.