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Magnetic levitation, maglev, or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. The electromagnetic force is used to counteract the effects of the gravitational force.
Superconductivity is a phenomenon occurring in certain materials at very low temperatures, characterized by exactly zero electrical resistance and the exclusion of the interior magnetic field (the Meissner effect).
The electrical resistivity of a metallic conductor decreases gradually as the temperature is lowered. However, in ordinary conductors such as copper and silver, impurities and other defects impose a lower limit. Even near absolute zero a real sample of copper shows a non-zero resistance. The resistance of a superconductor, on the other hand, drops abruptly to zero when the material is cooled below its "critical temperature". An electric current flowing in a loop of superconducting wire can persist indefinitely with no power source. Like ferromagnetism and atomic spectral lines, superconductivity is a quantum mechanical phenomenon. It cannot be understood simply as the idealization of "perfect conductivity" in classical physics.
If you have a superconductor with a magnet floating and spinning and have that magnet attached to a teslacoil could that create free energy.
If you have a superconductor with a magnet floating and spinning and have that magnet attached to a teslacoil could that create free energy. If so then if the rumors about ultraconductors are true and can operate at room temperature and have the same magnetic flux trapping properties as super conductors then wouldn't it be able to make free energy indefinitely requiring no energy input and producing energy constantly.