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Eddington Limit
The theoretical limit at which the photon pressure would exceed the gravitational attraction of a light-emitting body.
Eddy Current Probe
A non-contact electrical device that measures the displacement of one surface relative to the tip of the probe.
Eddy Currents
Circulating currents within inductor core material caused by magnetic lines of force cutting across the core in a direction which induces a voltage in the core material.
Edge Dislocation
A linear crystalline defect associated with the lattice distortion produced in the vicinity of the end of an extra half-plane of atoms within a crystal.
Edge Tearing Strength
Measure of the resistance of paper to tearing when folded over a V-notch beam and loaded in a tensile testing machine.
Edison Battery
The Nickel Iron Battery was invented by Thomas Edison in 1901.
Edison Effect
The phenomenon wherein electrons emitted from a heated element within a vacuum tube will flow to a second element that is connected to a positive potential.
Edison, Thomas
American inventor, scientist, and businessman who developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and a long-lasting, practical electric light bulb.
Education
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