Filament In Light Bulb Photograph by Ray Ellis

Filament In Light Bulb

by Ray Ellis

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Throw Pillow

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Fleece Blanket

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Shower Curtain

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Bath Towel

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Jigsaw Puzzle

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Tote Bag

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Weekender Tote Bag

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Zip Pouch

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Portable Battery Charger

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Yoga Mat

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Spiral Notebook

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iPhone Case

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Beach Towel

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Round Beach Towel

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Men's Clothing

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Title

Filament In Light Bulb

Artist

Ray Ellis

Medium

Photograph - Photograph

Description

Filament in electric light bulb. Bulbs produce light from a filament (at center), a fine tungsten wire which heats up and glows as an electric current is passed through it. Tungsten is an ideal material for a filament as it is strong and has a high melting point (3410 degrees celsius). The interior of the bulb contains an inert gas usually a mixture of nitrogen and argon. Air cannot be used as the oxygen it contains would corrode the tungsten. Whilst in use, the tungsten filament gradually evaporates away until eventually it breaks.

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August 6th, 2018

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