Maglev trains are extremely environmentally friendly as they have zero carbon emissions, since they run on electricity. Maglev trains also reduce noise pollution compared to regular trains. What…

A magnetic field

Despite over a century of research and development, currently high-speed maglev is only available in China and maglev transport systems are now operational in just three countries (Japan,…

A magnetic field

In Maglev, superconducting magnets suspend a train car above a U-shaped concrete guideway. Like ordinary magnets, these magnets repel one another when matching poles face each other. What…

A magnetic field

Answer: Electricity is used to create electromagnets. The electromagnets are used on the track for a maglev train. Some maglev trains are levitated by magnetic repulsion. Other maglev…

A magnetic field

Gradient coils are used to spatially encode the positions of protons by varying the magnetic field linearly across the imaging volume. The Larmor frequency will then vary as…

A magnetic field

Gradients are simply loops of wire or thin conductive sheets on a cylindrical shell that lies just inside the bore of an MRI Scanner. When an electrical current…

A magnetic field

Although MRI does not emit the ionizing radiation that is found in x-ray and CT imaging, it does employ a strong magnetic field. … Patients should notify their…

A magnetic field

The magnetic fields that change with time create loud knocking noises which may harm hearing if adequate ear protection is not used. They may also cause peripheral muscle…

A magnetic field

A magnetic resonance imaging (MRI) scan uses a combination of radio waves and strong magnetic fields to create an image of inside the body. … Short bursts of…

A magnetic field

NMR spectroscopy was originally developed to help chemists who had created strange compounds that they couldn’t identify. In the technique (and just as in MRI), an unknown sample…

A magnetic field