View of a lit technical electric light bulb
Wall Art and Photo Gifts from Science Photo Library
View of a lit technical electric light bulb
Technical light bulb. View of a lit technical electric light bulb. Bulbs produce light from filaments (centre), fine coiled tungsten wires which heat up and glow when an electric current is passed through them. Tungsten is an ideal material for filaments 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 filaments gradually evaporate away until eventually they break. The numerous filaments contained in technical light bulbs make them very bright
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6428021
© TEK IMAGE/SCIENCE PHOTO LIBRARY
Bulb Electric Electric Light Bulb Electrical Electricity Energy Filament Light Technical
EDITORS COMMENTS
This print captures the mesmerizing glow of a lit technical electric light bulb. The intricate details of this technological marvel are brought to life, showcasing the inner workings that produce such brilliant illumination. At the heart of this bulb lies a filament made from fine coiled tungsten wires, which heat up and emit a radiant glow when an electric current passes through them. Tungsten's exceptional strength and high melting point make it the perfect material for these filaments. To protect the delicate tungsten from corrosion, an inert gas mixture of nitrogen and argon fills the interior of the bulb instead of air. This ensures longevity and optimal performance throughout its lifespan. However, as time goes by, these filaments gradually evaporate until they eventually break. The sheer number of filaments contained within technical light bulbs contributes to their remarkable brightness, illuminating our lives with their powerful yet efficient energy output. This still-life image not only showcases the beauty in technology but also highlights how physics plays a crucial role in creating such incredible sources of light. Displayed here is just one example from Science Photo Library's vast collection that delves into various scientific subjects without any commercial intent. It serves as a reminder that even everyday objects like light bulbs can hold immense fascination when we explore their inner workings through photography and science alike.
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