No, MRI scanners can 'see through' hair
MRI scanners have practically no adverse effects. MRI or magnetic resonance imaging works by noting difference of various images created by varying response of different body tissues.
mri scanners, x-rays, finger-print scanners, ect.
MRI scanners are easy to operate. However if you want to go to school to learn more details about scanners you can join a vocational school that lets you know information like that.
Liquid helium is used to cool the superconducting electromagnets.
The "body scanners" that use it are Magnetic Resonance Imaging, or MRI, machines. (The scanners at airports are akin to radar sets, and don't use liquid helium.) MRI machines contain a very large electromagnet. To keep the thing from requiring its own power plant, an MRI magnet is wound with superconducting wire - wire with, effectively, no resistance. Superconducting wire must be kept at the temperature of liquid helium if you want it to superconduct.
Magnetic resonance imaging.
helium is used to cool superconducting magnets in mri scanners as helium is lighter then air airships use them as gasses
Yes, a magnetic resonance imaging scanner uses an RF pulse to excite nuclei in the body. Practically all medical MRI scanners are tuned to excite hydrogen nuclei. Other MRI scanners used in physics and chemistry labs are tuned to excite other nuclei -- see the links for a detailed list.
One potential technology that may replace CAT scanners is magnetic resonance imaging (MRI) machines. MRI machines provide detailed images of the body's internal structures without using ionizing radiation, making them safer for patients. Additionally, advancements in machine learning and artificial intelligence may enhance the capabilities of MRI technology in the future.
Its made it easier to see sction of the body which we couldnt see with regular x ray.
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