linkedin post 2015-09-29 05:19:40

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WIDESPREAD PHENOMENON. "If you measure very carefully, however, you find that there are small magnetic forces between magnets and 'non-magnetic' materials like pieces of copper or pieces of wood or people. Some of those 'non-magnetic' things are attracted to magnets and others are repelled." https://lnkd.in/evABxQC View in LinkedIn
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linkedin post 2015-09-29 05:15:22

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PERMANENT MAGNETS. "In some materials, the electrons can lower their energy by lining up magnetically into magnetic domains. In each domain, most of the electrons pull and push together, so you can get big forces. In some materials (permanent magnets) the domains can all be lined up so you get really big magnetic forces." https://lnkd.in/evABxQC View in LinkedIn
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linkedin post 2015-09-29 05:11:23

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"MAGNETISM can either pull the two objects together or push them apart, depending on which way the magnets point. Most importantly, it depends on what is going on with the electrons in the material, since each electron is like a tiny magnet itself. Most materials feel very little magnetic force because their electrons act like magnets that are pointing every which way, more or less equal numbers pulling or pushing." https://lnkd.in/evABxQC View in LinkedIn
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linkedin post 2015-09-29 05:02:08

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GRAVITY. "Gravity and magnetism are not the same thing. In fact, they are completely separate forces. Gravity is a force that acts between any two objects with mass. No matter what they are made of, both objects get pulled towards each other just because they have mass." https://lnkd.in/evABxQC View in LinkedIn
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linkedin post 2015-09-29 04:50:44

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ZERO GRAVITY. "Let's think about what a superconductor really is: it's a material in which electrons are able to flow very easily. Electrons flow through superconductors with no resistance, so that when magnetic fields get close to a superconducting material, the superconductor forms small currents on its surface, cancelling out the incoming magnetic field." https://lnkd.in/emW6Tsg View in LinkedIn
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