pendule sable de foucault wheel using only a non-abrasive sponge

using only a non-abrasive sponge

tilt it to the desired angle

it is normal and safe

Dark wenge wood

3 aligned Bexleys create uniform lighting

pendule sable de foucault wheel using only a non-abrasive spongeThe Sand Foucault Pendulum a metal pendulum oscillating over a basin of fine sand, on an ABS body. Dimensions: 39 16 14 cm. Traces complex and unique patterns with each oscillation variable curve, amplitude, speed, and direction of rotation. An exceptional decorative object at the intersection of science and art. Unique patterns with each oscillation The pendulum traces complex curves in the sand each figure is different depending on the amplitude,