Sand pendulum

Item number: 166
Physical phenomenons Dimensions: 125 cm (Durchmesser) x 310 cm

What tracks do you see in the sand? If you set the pendulum in motion, you can observe how the oscillations paint themselves in the sand over time.

2.900 €

Further informations

on the exhibit "Sand pendulum"

The shapes created in the sand are called Lissajous figures, which are formed by the superposition of two perpendicular oscillations. They are named after their discoverer Jules Antoine Lissajous. The shapes are dependent on the phase difference and the ratio of the frequencies to each other.

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Purchase price 2.900 €