Col. SEM of burnt tungsten filament of light bulb

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Col. SEM of burnt tungsten filament of light bulb

Burnt filament of a light bulb. Coloured Scanning Electron Micrograph (SEM) of the double coiled tungsten wire filament of a light bulb, after burning out. The broken coiled filament lies beside the wire posts of the light bulb. Tungsten is a heavy metal with an extremely high melting point and thus widely used in light filaments. With repeated use, however, the tungsten wire eventually breaks ending the life of the light bulb. Magnification: x21 at 6x7cm size. x58 at 7x8 inch size

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 9308635

© POWER AND SYRED/SCIENCE PHOTO LIBRARY

Burnt Electrical Electricity Energy Filament Light Bulb Spiral Form Tungsten

EDITORS COMMENTS
This print from Science Photo Library showcases the aftermath of a burnt tungsten filament in a light bulb. The image, captured using a Coloured Scanning Electron Micrograph (SEM), reveals the intricate details of the double coiled tungsten wire filament that has succumbed to its final demise. Lying beside the wire posts of the light bulb, the broken coiled filament serves as a testament to both the power and limitations of this heavy metal. Tungsten, renowned for its remarkably high melting point, is widely utilized in light filaments due to its ability to withstand intense heat generated by electricity. However, with prolonged use and repeated cycles of illumination, even this resilient material eventually reaches its breaking point. This photograph offers an up-close glimpse into this phenomenon, highlighting how wear and tear gradually erode the integrity of these delicate spirals until they can no longer sustain their luminous purpose. Magnified at x21 for 6x7cm prints or x58 for 7x8 inch prints, this image not only captures an intriguing moment frozen in time but also invites contemplation on themes such as physics, energy consumption, and technological advancements within our industry-driven world.

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