Ernst Florens Friedrich Chladni was a German physicist and musician. His most important work, for which he is sometimes labeled the father of acoustics, included research on vibrating plates and the c
Echladni
Title page of a 1787 copy of "Entdeckungen über die Theorie des Klanges"
Chladni figure on a rectangular plate supported in center
Another mode of the same plate
Physics is the scientific study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. It is one of the most fundamental
Ernst Chladni
…for Study of acoustics Chladni plates and figures Estimating the speed of sound Chladni's law Theory of meteorites' origins Scientific career Fields Physics Workplaces University of Erlangen, University of Leipzig Doctoral advisor Georg Christoph Lichtenberg Doctoral students Ernst Heinrich Weber Ernst…
Ancient Egyptian astronomy is evident in monuments like the ceiling of Senemut's tomb from the Eighteenth Dynasty of Egypt.
Ibn al-Haytham (c. 965 – c. 1040) wrote of his camera obscura experiments in the Book of Optics.
Galileo Galilei (1564–1642) related mathematics, theoretical physics, and experimental physics