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Implants for Sensing Magnetic Fields 238

Okian Warrior writes "Wired is running a story about people who have magnets implanted in their fingertips. As a result they can sense ambient magnetic fields, including whether AC wires are carrying current. From the article: 'The fingertip was chosen because of the high nerve density, and because the hands are constantly interacting with the environment, increasing the chances of sensing electromagnetism in the world.'"

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