Wednesday, 20 March 2013

Superconductors and the Future


Superconductor is a material that can perform electrical current or transportation electrons from one atom to another with no level of resistance. This implies no heat, sound or any other way of energy would be launched from the material when it has achieved "critical temperature" (Tc), or the temperature range at which the material becomes superconductive.

How Superconductivity Work

Superconductivity is a property shown by certain components at very low temperature ranges.  Materials which have this property consist of materials and alloys such as tin and metal, some semiconductors, and certain contain copper and oxygen atoms.

When electrons move through a metal wire, we get power. But the path is not smooth. The metal which resists the circulation of electrons, as the metal atoms may absorb a few electrons. This decreases the current that passes through the cable.

If you lower the temperature range of the wire, it allows more current to pass through. When you achieve a really low temperature, the level of resistance of the metal instantly falls to zero. This is known as the critical temperature (Tc), and it is different for different materials. This trend is known as superconductivity.

Superconductors Face the Future

Futuristic concepts for the use of superconductors, components that allow electric current to flow without level of resistance, are myriad: long-distance, low-voltage electric grids with no transmitting loss; quick, magnetically levitated trains; ultra-high-speed supercomputers; superefficient engines and generators.

Accelerators created the superconductor industry and superconducting magnets have become the natural choice for any application where strong magnetic areas are needed – for MRI in hospitals, for example, or for magnetic separating of minerals in market. High temperature oxide superconductors are mainly used in the industrial attention from 20years ago. These plays a main role in every aspect of  in hospitals, in industrial purpose and everything.