Light bulb filament, SEM

Light bulb filament, SEM

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Credit: STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Caption: Light bulb filament, coloured scanning electron micrograph (SEM). An electrical current flows through the tungsten filament (yellow) from the wire at left. The current heats the filament, which glows white hot. The wire at right is a support wire. Magnification: x12 when printed at 10 centimetres wide.

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Keywords: coil, coiled, coloured, electrical, electricity, energy, false-coloured, filament, images, industry, light bulb, magnified image, metal, microscopic subjects, physics, scanning electron micrograph, scanning electron microscope, sem, support, technological, technology, tungsten, wire, wires

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