1643 Evangelista Torricelli invents the barometer using a tube of mercury.
1648 Blaise Pascal and his brother-in-law demonstrate that air pressure decreases with altitude.
1650 Otto von Guericke performs experiments on air and vacuums, first published in 1657.
1738 Swiss physicist Daniel Bernoulli publishes Hydrodynamica, describing a kinetic theory of gases.
1827 Scottish botanist Robert Brown explains the motion of pollen in water as a result of collisions with water molecules moving in random directions.
In the 17th century, several scientists across Europe investigated the properties of air, and their work was to ...