Félix Savart
Encyclopedia
Félix Savart became a professor at Collège de France
Collège de France
The Collège de France is a higher education and research establishment located in Paris, France, in the 5th arrondissement, or Latin Quarter, across the street from the historical campus of La Sorbonne at the intersection of Rue Saint-Jacques and Rue des Écoles...

 in 1836 and was the co-originator of the Biot-Savart Law
Biot-Savart law
The Biot–Savart law is an equation in electromagnetism that describes the magnetic field B generated by an electric current. The vector field B depends on the magnitude, direction, length, and proximity of the electric current, and also on a fundamental constant called the magnetic constant...

, along with Jean-Baptiste Biot
Jean-Baptiste Biot
Jean-Baptiste Biot was a French physicist, astronomer, and mathematician who established the reality of meteorites, made an early balloon flight, and studied the polarization of light.- Biography :...

. Together, they worked on the theory of magnetism
Magnetism
Magnetism is a property of materials that respond at an atomic or subatomic level to an applied magnetic field. Ferromagnetism is the strongest and most familiar type of magnetism. It is responsible for the behavior of permanent magnets, which produce their own persistent magnetic fields, as well...

 and electrical currents. Their law was developed about 1820. The Biot-Savart Law relates magnetic fields to the currents which are their sources. Félix Savart also studied acoustics
Acoustics
Acoustics is the interdisciplinary science that deals with the study of all mechanical waves in gases, liquids, and solids including vibration, sound, ultrasound and infrasound. A scientist who works in the field of acoustics is an acoustician while someone working in the field of acoustics...

. He developed the Savart wheel
Savart wheel
The Savart wheel is an acoustical device that was created by French physicist Félix Savart , which he used for research on lower frequency limits of hearing....

 which produces sound at specific graduated frequencies using rotating disks.

Félix Savart is the namesake of the unit of measurement for musical intervals, the savart
Savart
The savart is a unit of measurement for musical intervals . One savart is equal to one thousandth of a decade. Today the savart has largely been replaced by the cent and the millioctave...

, though it was actually invented by Joseph Sauveur
Joseph Sauveur
Joseph Sauveur was a French mathematician and physicist. He was a professor of mathematics and in 1696 became a member of the French Academy of Sciences.-Life:Joseph Sauveur was the son of a provincial notary...

.

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