CHAPTER II

THE AGE OF GALILEO

Galileo and the battle for truth.--The pendulum clock.--Galileo's experiment with falling shot.--The telescope.--Galileo's struggle.--Torricelli and the barometer.--Otto von Guericke and the air-pump.--Robert Boyle and the pressure of air and steam.--Pascal and the hydraulic press.--Newton.--Gravitation.--Colors in sunlight