A Hundred Years of Superconductivity

For example, C60 can be intercalated with three alkali metal atoms and the resulting superconductors possess superconducting transition temperatures second only to ceramic superconductor materials.

But we can also store energy using superconductors, because we have no dissipation.

Boaz Almog levitates a superconductor

So, a superconductor is defined by two properties.

Well, first there are strands of magnetic field left inside, but now the superconductor doesn't like them moving around, because their movements dissipate energy, which breaks the superconductivity state.

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This spring marked the 100th anniversary of the discovery of superconductivity the ability of materials to carry electrical current with no loss. Currents set up in superconducting wires can exist for years without any measurable decay.

And the object that was levitating here is called a superconductor.

But that's not all, because superconductors don't like magnetic fields.

You see? I can adjust and I can rotate the superconductor.

The superconducting layer, instead of being half a micron thin, being two millimeters thin, quite thin.

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Already, second generation cuprate wires are being used to make high capacity cables for electric power transmission, and lighter weight generators for wind turbines. Stronger superconducting magnets are leading to the development of MRIs with more sophisticated diagnostic capabilities.

And when I place the superconducting disk on top of this rail, it moves freely.

The steady state superconducting tokamak (SST 1) will soon be given its first plasma shot.

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And these strands of magnetic field inside the superconductor, they come in discrete quantities.

Shortly thereafter, researchers in the United States found a related material that superconducts above the temperature at which air liquefies. As Time magazine proclaimed in May 1987, with the discovery of these so called cuprates, the superconducting revolution had begun.

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Now, the combination of both effects the expulsion of magnetic fields and zero electrical resistance is exactly a superconductor.

This two millimeter thin superconducting layer could hold 1,000 kilograms, a small car, in my hand.

Imagine you could back up a single power station with a single superconducting cable.

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Superconductivity is a quantum state of matter, and it occurs only below a certain critical temperature.

But what happens to the superconductor when we put it inside a magnetic field?

So, this is quantum locking actually locking three dimensional locking of the superconductor.

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The first is zero electrical resistance, and the second is the expulsion of a magnetic field from the interior of the superconductor.

However, inside a superconductor there are no collisions, so there is no energy dissipation.

So a superconductor will try to expel magnetic field from the inside, and it has the means to do that by circulating currents.

Since the cuprates first appeared, a variety of other high temperature superconductors have been discovered one is a simple compound of magnesium and boron, and another involves a mixture of iron and arsenic. Although none of them superconduct at temperatures as high as liquid air, they may ultimately be better materials with which to work.

The determination is easy if the missile clearly exceeds the allowable range by a large margin, as in the case of Scud B and Al Hussein missiles (which have maximum ranges of about 300 and 600 kilometres, respectively).

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And Ismael (Ishmael) and Yasa a (Elisha) and Yunus (Jonah) and Lut (Lot) and to each one during their times, We gave excellence over all others.

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And Isma'il (Ishmael) and Al Yas'a (Elisha), and Yunus (Jonah) and Lout (Lot), and each one of them We preferred above the 'Alamin (mankind and jinns) (of their times).

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(And of his descendants We guided) Isma'il (Ishmael), al Yasa' (Elisha), Yunus (Jonah), and Lut (Lot). And each one of them We favoured over all mankind.

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and Ishmael, Elisha, Jonah and Lot. Each We preferred above the worlds,