Magnetism-based helmet to detect brain injuries
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A helmet that will use magnetism to detect brain bleeding or swelling could lead to a new way to quickly check a person for brain injuries.
The helmet will feature a small coil that will generate a magnetic field above the victim's head. A second coil sitting just above the ears will then detect the magnetic field as it is induced in the brain, which will allow the medical team to identify alterations in the magnetic field's phase. These alterations can be caused by liquid, such as blood, and can indicate bleeding or swelling.