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2. Magnetometer - Wikipedia

   en.wikipedia.org/wiki/Magnetometer

   A magnetometer is a device that measures magnetic field or magnetic dipole moment. Different types of magnetometers measure the direction, strength, or relative change of a magnetic field at a particular location. A compass is one such device, one that measures the direction of an ambient magnetic field, in this case, the Earth's magnetic field.

3. Hardware disease - Wikipedia

   en.wikipedia.org/wiki/Hardware_disease

   Hardware disease in livestock is traumatic puncture of the gastrointestinal tract with resultant spread of infection, caused by ingestion of a sharp, hard object, usually a piece of hardware (hence the name). These pieces of metal settle in the reticulum and can irritate or penetrate the lining. [1] It is most common in dairy cattle, but is ...

4. Electromagnetic coil - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_coil

   Electromagnetic coil. The magnetic field lines (green) of a current-carrying loop of wire pass through the center of the loop, concentrating the field there. An electromagnetic coil is an electrical conductor such as a wire in the shape of a coil ( spiral or helix ). [1] [2] Electromagnetic coils are used in electrical engineering, in ...

5. Magnetic particle inspection - Wikipedia

   en.wikipedia.org/wiki/Magnetic_particle_inspection

   The scale at the bottom is numbered in centimetres. Magnetic particle inspection ( MPI) is a nondestructive testing process where a magnetic field is used for detecting surface, and shallow subsurface, discontinuities in ferromagnetic materials. Examples of ferromagnetic materials include iron, nickel, cobalt, and some of their alloys.

6. Magnetoencephalography - Wikipedia

   en.wikipedia.org/wiki/Magnetoencephalography

   D015225. Magnetoencephalography ( MEG) is a functional neuroimaging technique for mapping brain activity by recording magnetic fields produced by electrical currents occurring naturally in the brain, using very sensitive magnetometers. Arrays of SQUIDs (superconducting quantum interference devices) are currently the most common magnetometer ...

7. Magnetic levitation - Wikipedia

   en.wikipedia.org/wiki/Magnetic_levitation

   Magnetic levitation can be stabilised using different techniques; here rotation (spin) is used. Magnetic levitation ( maglev) or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Magnetic force is used to counteract the effects of the gravitational force and any other forces.