Its the birthday of Ernst Chladni, who was born in 1756 in - TopicsExpress



          

Its the birthday of Ernst Chladni, who was born in 1756 in Wittenberg, Germany. Chladni studied law and philosophy, but later turned to physics and astronomy. He is best known for devising a method for displaying the vibrational modes of a rigid plate. When a plate, sprinkled with sand, is set vibrating, the sand will collect along nodal lines when the vibration frequency reaches a resonance. The patterns, which increase in complexity with frequency, are known as Chladni figures.
Posted on: Sat, 30 Nov 2013 15:03:13 +0000

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