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Transcript of Léon Foucault
(Foucault Currents) Eddy currents were invented by Leo Foucault in1895
Eddy currents are circular induced currents
Received it's name because it resembles eddies in a stream (the ripples in water)
generate their own magnetic fields
created when a conductor's (anything that produces electricity) magnetic field is exposed to some sort of change. ex: when a conductor moves into another magnetic field or when a stationary object enters the conductor's magnetic field
Inside a conductor, the currents will swirl in a direction opposite the field's movement.
Eddy Currents create heat and Kinetic Energy Speed Of Light In the mid-19th century, French physicist Leon Foucault made the most accurate measurement to-date of the speed of light using a laboratory-sized apparatus made of rotating and fixed mirrors. His final measurement in 1862 determined that light traveled at 299,796 Km/s. Speed of Light Model Eddy Currents A device used to provide stability or for measuring or maintaining orientation
a spinning wheel or disk in which the axle is free to turn any way or direction
maintains the same direction
used to maintain equilibrium, maintain direction etc..
Originally created because he was trying to demonstrate the motion of the earth Gyroscope Gyroscope By:
period 6 Equation to Find the Speed of Light Jean-Bernard-Léon Foucault
believed experimentation and innovation were the best ways to accurately assess the properties of the natural world.
Collaborated with other prominent scientists Was originally a science and mathematical writer
He conducted his experiments at home
He lived in Paris in a house on the junction of rue de Vangirard and rue d'Assas. The house is still there today, marked by a commemorative plaque.
He was a frail child. He had a short-sighted eye and a long-sighted eye which gave him an odd appearance
As a student his teachers described him as LAZY
As a teenager he liked to construct toys and machines
"Any person, brought into the presence of this fact, stops for a few moments and remains pensive and silent; and then generally leaves, carrying with him forever a sharper, keener sense of our incessant motion through space."