Tabletop Pendulum

Tabletop Pendulum

Galileo used pendulums in his experiments to measure the passage of time. You may find that time stands still as you observe the slow, graceful movements of this tabletop pendulum-and the intricate patterns it traces in the sand below.

  • The Galileo Thermometer is a sealed glass cylinder with a range of glass balls suspended in the liquid inside. Each of the glass balls is a different weight and as the liquid changes temperature it changes density and the suspe... The Galileo Thermometer is a sealed glass cylinder with a range of glass balls suspended in the liquid inside. Each of the glass balls is a different weight and as the liquid changes temperature it changes density and the suspended weights rise and fall to stay at the position where their density is equal to that of the surrounding liquid.