description Evangelista Torricelli Overview
Evangelista Torricelli was a 17th-century Italian physicist and mathematician who made significant contributions to the study of fluids and the nature of vacuums. In 1643, he invented the mercury barometer, demonstrating that atmospheric pressure has the capacity to sustain a column of liquid within a sealed tube. His experiments led to the conceptualization of the "Torricellian vacuum," the empty space created above the mercury column. Torricelli also served as a mathematician to the Grand Duke of Tuscany, succeeding Galileo Galilei in that role in 1642.
help Evangelista Torricelli FAQ
What did Evangelista Torricelli invent?
Evangelista Torricelli invented the mercury barometer in 1643, providing the first practical instrument for measuring atmospheric pressure. He achieved this by filling a glass tube with mercury and inverting it into a basin, demonstrating that atmospheric pressure dictates the height of the mercury column.
Who was Evangelista Torricelli's mentor?
Torricelli was a devoted disciple and assistant to the famous Italian astronomer and physicist Galileo Galilei. He served as Galileo's secretary for the final three months of Galileo's life, taking over his position as court mathematician to the Grand Duke of Tuscany afterward.
What is Torricelli's law in fluid dynamics?
Torricelli's law states that the speed of a fluid flowing out of an opening in a reservoir is proportional to the square root of the height of the fluid above that opening. This mathematical principle forms the basis for modern fluid dynamics calculations regarding efflux velocity.
What is the Torricellian vacuum?
The Torricellian vacuum is the empty space created at the top of the inverted glass tube in his barometer experiment. Torricelli correctly deduced that this space contained nothing but a true vacuum, definitively proving against the contemporary belief that 'nature abhors a vacuum.'
explore Explore More
Reviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.
