Van de Graaff generator
Wall Art and Photo Gifts from Science Photo Library
Van de Graaff generator
Van de Graaff generator with an electrical spark (centre) crossing from the generators sphere (left) to a nearby metal object (right). A Van de Graaff generator works on electrostatic principles by using a moving belt to build up electrical charge on the metal sphere. When the electrical charge is high enough, a spark will be transmitted from the sphere, through the air, to nearby objects, as seen here. The Van de Graaff generator was developed by Robert J. Van de Graaff from 1929. Large Van de Graaff generators have been built that can generate voltages of millions of volts. Smaller models are used in classrooms, and other educational facilities, to demonstrate the principles of electrostatics
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6428123
© ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY
Apparatus Charge Class Room Demonstrating Demonstration Education Educational Electric Electric Charge Electrical Electrostatic Electrostatics Experiment Experimental Experimenting Generator Learning S Park School Sparking Laboratory Physical
EDITORS COMMENTS
This print captures the mesmerizing power of a Van de Graaff generator in action. At its center, an intense electrical spark bridges the gap between the generator's metal sphere on the left and a nearby metal object on the right. The Van de Graaff generator operates on electrostatic principles, utilizing a moving belt to accumulate electric charge on its sphere. When this electrical charge reaches a critical level, it manifests as a brilliant spark that traverses through the air, connecting with surrounding objects. This stunning visual representation demonstrates how electricity can travel across space and interact with matter. The Van de Graaff generator was first developed by Robert J. Van de Graaff in 1929 and has since become an indispensable tool for scientific experimentation and education. While larger models are capable of generating millions of volts, smaller versions like the one depicted here find their place in classrooms and other educational facilities. With its ability to generate high voltages and produce awe-inspiring sparks, this technological marvel serves as both an apparatus for hands-on learning experiences and a testament to humanity's understanding of electrostatics. As we gaze upon this image captured by Science Photo Library, we are reminded of our ongoing quest for knowledge in physics and our endless fascination with harnessing electricity's potential for exploration and discovery.
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