Blaise Pascal Inventions The Pascaline Pascal created one of the first digital calculators in 1645 to help his father with collecting taxes. The Pascaline used dials, gears and pins to perform multi-digit addition, subtraction, multiplication, and division operations. Pascal earned a patent from ...
Blaise Pascal was a French mathematician, physicist, religious philosopher, and author who wrote Pensees (‘Thoughts’) and Les Provinciales (‘The Provincial Letters’).
He then began working on a perpetual motion machine; while it never was produced, his work on it led to the invention of the roulette wheel. Among Pascal's other inventions are:Pascal's Theory Blaise Pascal as a Scientist Blaise Pascal's Work in Philosophy and Mathematics Pascal's Books ...
Every year, TIME lists the 100 best inventions based on their creativity and impact (创造力和影响力)on our lives. What did the magazine choose this year Here are three of them. Easier to readReading can be a big challenge for tens of millions of people. They may have poor eyesight or...
1642adding machine was invented by Blaise Pascal 1642adding machine 1643Barometer was invented by Evangelista Torricelli 1643Galileo's pupil Evangelista Torricelli builds the first mercury barometer for measuring air pressure 1645Vacuum pump was invented by Otto von Guericke ...
Léon Bollée was a notable French automobile inventor and manufacturer. He was born into the Amédée-Ernest Bollée family who are popular for their impact on the manufacturing of steam vehicles. Léon was born on April 1, 1870, and died on December 16, 1913, aged 43 years. ...