Why Doesn’t His Finger Burn? ???? - Video

Induction metal heating is a process that uses electromagnetic fields to heat conductive materials without direct contact. An alternating current passes through a coil, creating a rapidly changing magnetic field. When a metal object enters this field, electric currents (called eddy currents) are induced inside it. Because metals resist the flow of these currents, electrical energy is converted into heat, causing the metal to heat up quickly — sometimes until it glows red hot.
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