Monday, November 12, 2012

Revolution of Anti-gravity

              Is there any possibility of levitation force opposing gravity in future without using jet or wind or magnetic levitation ? The answer is YES, if human will get success to under-stand matter, antimatter and black hole and build device which oppose gravitational force.

                "Anti-gravity" is often used colloquially to refer to devices that look as if they reverse gravity.Anti gravity propulsion is a method of propulsion used to create lift for an object. Anti gravity propulsion is quite powerful and does not require the use of gas, oil or fossil fuels. If inventors are able to make anti gravity propulsion successful, it will drastically reduce our dependency on gas, oil and fossil fuels.

             Newton’s universal law of gravitation states that the gravitational force between two bodies is proportional to the product of their masses and inversely proportional to the square of the distance between them. To calculate the gravitational force (F), their masses (m1 and m2) and the gravitational constant (G) are multiplied together, and the result is divided by the square of the distance (r) between them: F = Gm1m2/r².

              As the theory of gravity discovered by Newton, there is possible for somebody to discover matter of  anti-gravity in future. As we know that gravity existed when there is a mass eg. Planet stars. Even our body also exert some unnoticed gravity on its own because of mass. This is really amazing as how a mass can generate gravity force in nature. Anti-gravity is the idea of creating a place or object that is free from the force of gravity. It does not refer to the lack of weight under gravity experienced in free fall or orbit, or to balancing the force of gravity with some other force, such as electromagnetism or aerodynamic lift. Anti-gravity is a recurring concept in science fiction, particularly in the context of spacecraft propulsion. There is some relationship between gravity and light rays. As light approach strong gravity forces such as Black Hole, the light ray will bend or absorbed by strong gravity.

                 Magnetic levitation may be one of the solution.  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. A substance like gold, copper is diamagnetic weakly repels a magnetic field Paramagnetic substances such as platinum, aluminum, and oxygen, chromium are weakly attracted to a magnet. Ferromagnetic substance which is strongly attracted by a magnet like a Iron, nickel, cobalt.
                           Superconducting magnet take a lead role in magnetic levitation which produce strongest magnetic field by minimum loss in ohmic resistance. A superconducting magnet is an electromagnet that is built using coils of superconducting wire. They must be cooled to cryogenic temperatures during operation. Their advantages are that they can produce stronger magnetic fields than ordinary iron-core electromagnets, and can be cheaper to operate, since no power is lost to ohmic resistance in the windings. . They don't need a metal core at all, but are made of coils of wire made from special metal alloys. Superconducting magnets have a number of advantages over resistive electromagnets. They can achieve an stronger magnetic field than ordinary ferromagnetic-core electromagnets, which are limited to fields of around 2 T. They can be smaller but Most importantly, for large magnets they can consume much less power. the only power the magnet consumes is that needed for any refrigeration equipment to preserve the cryogenic temperature. Example of Superconductors is ceramic mixture of yttrium, barium, copper, and oxygen which cool at a relatively -160o Celsius by liquid nitrogen or helium. This principle is exploited by EDS (electrodynamics suspension) magnetic levitation trains, superconducting bearings, flywheels, etc.
              In trains where the weight of the large electromagnet is a major design issue (a very strong magnetic field is required to levitate a massive train) superconductors are sometimes proposed for use for the electromagnet, since they can produce a stronger magnetic field for the same weight. pollution-free propulsion into world-wide commercial and private transportation systems, would open the doors to a massive economic boost at all productive levels for commercial products and services. but magnetic levitation is method of overcome gravitational force not oppose the gravitation force.

                One outstanding possibility is that there is gravitational repulsion between matter and antimatter. The gravitational proprieties of antimatter are still a secret of nature.  Researchers in the field of ether physics have developed a variety of models to explain the nature of matter and force. Such theories are already ‘unified’ in the sense that physical matter and forces are derived from the activity of the underlying ether. Subatomic particles are often model as self-sustaining vortices in the ether, continuously radiating and absorbing flows of ether. Inertia can be pictured as the drag force exerted by the disturbed ether as a body accelerates through it. Electric charge can be pictured as a difference in ether concentration, and magnetic forces as circular flows of ether. Some researchers, such as Dan Davidson, say that just as electric charge is a gradient in ether; the gravitational force is a gradient of electric charge. This means that if the etheric gradient is changed around an atom, the gravity force will also change.
                               So what will show the anti gravity in future? No one knows for sure, if inventors can become successful with anti gravity devices, they may be able to help the world "go green". So far many scientists are making claims of creating an anti gravity device, but nothing has been officially recognized.

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