Foucault's Pendulum 38cm

Foucault’s Pendulum is a gadget designed to sit on your desk or coffee table and create mesmerising patterns via rhythmic motion. It’s easy to slip into a mindful state as soon as you focus on this product’s beautiful Lissajous patterns.


History:
In 1602, Galileo Galilei discovered that the period of a pendulum does not depend on the arc of its swing. In 1851, Jean Bernard Leon Foucault demonstrated that the plane of oscillation of a pendulum, like a gyroscope, tends to stay constant regardless of the motion of the pivot, and that this could be used to demonstrate the rotation of the Earth. He suspended a pendulum on a 67 meter cord from the dome of the Pantheon in Paris that was free to swing in two dimensions. Once the pendulum was set in motion, the plane of swing was observed to precess or rotate 360 degrees clockwise in about 32 hours. A “pendulum mania” broke out, as Foucault pendula were displayed in many cities and attracted large crowds.


How does it work?: 
The all-metal pendulum converts kinetic energy into potential energy. The extremely fine sand (included) provides minimal friction, thus allowing the pendulum to swing for periods of time. As the pendulum swings, it gently “writes” ever changing geometric patterns in the sand. The patterns get bigger, then smaller, then bigger as the arc of the pendulum also changes.
The resulting Lissajous patterns created by the independent frequencies of the swinging pendulum make the most stunning mandala style works of art. This is a stunning scientific fascination.


The perfect:



  • Gift for men who love science

  • Gift for men who love gadgets

  • Gift for families who want to teach their children about Galileo's theory and pendulums.

Availability: In stock

$44.95

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Details

Details

Foucault’s Pendulum is a gadget designed to sit on your desk or coffee table and create mesmerising patterns via rhythmic motion. It’s easy to slip into a mindful state as soon as you focus on this product’s beautiful Lissajous patterns.

History:
In 1602, Galileo Galilei discovered that the period of a pendulum does not depend on the arc of its swing. In 1851, Jean Bernard Leon Foucault demonstrated that the plane of oscillation of a pendulum, like a gyroscope, tends to stay constant regardless of the motion of the pivot, and that this could be used to demonstrate the rotation of the Earth. He suspended a pendulum on a 67 meter cord from the dome of the Pantheon in Paris that was free to swing in two dimensions. Once the pendulum was set in motion, the plane of swing was observed to precess or rotate 360 degrees clockwise in about 32 hours. A “pendulum mania” broke out, as Foucault pendula were displayed in many cities and attracted large crowds.

How does it work?: 
The all-metal pendulum converts kinetic energy into potential energy. The extremely fine sand (included) provides minimal friction, thus allowing the pendulum to swing for periods of time. As the pendulum swings, it gently “writes” ever changing geometric patterns in the sand. The patterns get bigger, then smaller, then bigger as the arc of the pendulum also changes.
The resulting Lissajous patterns created by the independent frequencies of the swinging pendulum make the most stunning mandala style works of art. This is a stunning scientific fascination.

The perfect:

  • Gift for men who love science
  • Gift for men who love gadgets
  • Gift for families who want to teach their children about Galileo's theory and pendulums.

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