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electromagnetic field |
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electromagnetic fieldIn physics, region in which a particle with an electric charge experiences a force. If it does so only when moving, it is in a pure magnetic field; if it does so when stationary, it is in an electric field. Both can be present simultaneously. For example, a light wave consists of continually oscillating electric and magnetic fields. |
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| Polzik of the Niels Bohr Institute in Copenhagen, and their colleagues teleported traits of a dim laser pulse, including the strength of its electromagnetic field, onto a cloud of 1 trillion cesium atoms. Another example is instead of having a physical sensor on electromagnetic valve actuators, signals from the electromagnetic field generated could be used by software to "sense" the position of the valve without a physical sensor. To solve this problem, OMRON developed a new type of antenna technology that can electronically control the electromagnetic field emitted from the reader. |
electromagnetic field
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