Chladni figures
Figuras de Chladni
- Date
- 1680/1787 · confidence low
- Place
- Wittenberg, Saxony-Anhalt, Germany
- Credited to
- Robert Hooke (pioneering observation, 1680) and Ernst Chladni (systematic study and popularization, 1787)
- Field
- Cosmos & Earth
What was discovered
Geometric patterns formed by scattering sand on a metal plate made to vibrate with a violin bow, revealing the nodal lines of its vibration modes; first observed by Hooke in 1680 and systematically studied by Chladni in 1787.
What it led to
- foundation of modern acoustics
- study of vibration modes and resonance
- musical instrument design
- modal analysis methods in engineering