"Antigravity" Method 7 of 15, Dia-magnetic Superconducting (Meissner), Group IIB(i)

GROUP II MAGNETIC (PERMANENT & ELECTROMAGNETIC-DC)
Group IIB i) Dia-magnetic Superconducting (Meissner),
"Antigravity" Method 7 of 15, Dia-magnetic Superconducting (Meissner), Group IIB(i)
Filmed 1991-1996, 7 of 15 methods of levitating an object known to the author John Iwaszko, edited from the video Antigravity the reality made in 1996. The antigravity method shown in this edit, at the time was originally classified as 6th Method-Superconductor/Magnetic Meissner Effect which has now been reclassified by the author as, Method 7 Dia-magnetic Superconducting (Meissner), Group IIB(i). Superconductors don't allow magnetic fields to penetrate, so a magnet placed on top of superconductor will levitate. The superconductor in this demonstration is a substance known as YBCO (yttrium barium copper oxide), and it superconducts at a temperature high enough (77K) that liquid nitrogen can be used to make it reach its superconducting temperature. Superconductors may be considered perfect diamagnets, completely expelling magnetic fields due to the Meissner effect. The levitation of the magnet is stabilized due to flux pinning within the superconductor. This principle is exploited by EDS (electrodynamic 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.
WARNING:- Some of these experiments operate directly from 240VAC mains supply or far higher voltages at high currents are potentially lethal. Do not build unless you know exactly what you are doing. Do not touch any part of the equipment while it is plugged into a mains outlet. And remember that the methods described do not conform to any electrical safety standard and many of the experiments performed are downright dangerous.
Powerful magnets such as neodymium magnets or powerful magnetic fields generated by coils can be dangerous and not to be played with. Powerful magnets or magnetic fields can crush fingers. The power of magnetism can also cause chunks of metal to take flight.
Extremely intense sounds can burst ear drums or can be physically painful to human ears. High-intensity ultrasound waves are extremely dangerous to experiment with as they can heat human tissue by absorbing ultrasound energy which becomes heat by vibration and corresponding energy loss.
Exposure to radio frequency energy or ionizing radiation that can be generated by coils can not only burn as they get hot but also cause radiation burns, damage to the skin or other biological tissue.
Direct skin contact with liquid nitrogen will cause severe frostbite (cryogenic or cold burns). This may happen almost instantly on contact, there is always a potential hazard when handling liquid nitrogen.
Be careful! Use good solid judgement in your work, and think ahead. I John Iwaszko do not endorse the experiments shown, and am merely passing on information, I have learnt through experiment. Safety is your responsibility!

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[TheBadassNerd]

Wait, can electromagnets work instead of regular magnets?

[JOHNROMANIWASZKO]

Hi TheBadassNerd, this is a good question, yes I believe it will as the magnetic field of the surface currents will cancel out the applied magnetic field within the bulk of the superconductor.

[JOHNROMANIWASZKO]

However, near the surface, within a distance, a material develops infinite conductivity below its transition temperature, that infinite conductivity will "freeze in" whatever magnetic field was present as the transition temperature is reached, so it should levitate, as long as the magnetic field and the direct current supplying the electromagnet remains constant. Thanks for your comment JRI

[kyriacoshe]

Hey remember me? Keep up the good stuff you are great

[highvoltagefeathers]

its not antigravity :P cool though,

[TheBadassNerd]

Thanks, now I can try making a hoverboard. I just need a lot of YBCO

[JOHNROMANIWASZKO]

This would lead to a plethora of technological possibilities such as high performance electric motors. At the same time there would be a huge conservation in energy by using superconducting power cables to transmit electricity to consumers as well as levitating cars, hover boards and suits that will enable you to float. Thanks for your comment.

[JOHNROMANIWASZKO]

However it is thought that once a final theory has been established it will be possible to design new superconducting materials which show no electrical resistance at higher temperatures with the possibly at room temperature.

[JOHNROMANIWASZKO]

Currently, the record temperature at which superconductivity is observed is -113 °C. Current practical applications include superconducting magnets for MRI scanners and magnetic levitation trains.

Chemical compounds that superconduct at temperatures >-238°C are known as high-temperature superconductors. There is currently no complete theory for high-temperature superconductivity.

[JOHNROMANIWASZKO]

Since 1911 Superconductivity has been known to exist at low temperatures, below 25 degrees Kelvin. Theories from the late 1950s were put into place in order to explain these materials and it was widely believed that superconductors would not be found at higher temperatures. However, in 1986, two Swiss experimentalists, unexpectedly discovered that there was a complex material which retained its superconductivity much above 25 degrees Kelvin.