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Encyclopediablack light:black light: see ultraviolet radiation. The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved. More on black light from Infoplease:
- ultraviolet radiation - ultraviolet radiation ultraviolet radiation, invisible electromagnetic radiation between visible ...
- A. E. Housman: Now hollow fires burn out to black, - Now hollow fires burn out to black, And lights are guttering low: Square your shoulders, lift your pack, And leave your friends and go.
- Philo Taylor Farnsworth - Philo Taylor Farnsworth Born: 1906 Birthplace: Beaver, Utah Television system—At the age of ...
- Philo Taylor Farnsworth - Philo Taylor Farnsworth Born: 1906 Birthplace: Beaver, Utah Television system—At the age of ...
- light - light light, visible electromagnetic radiation. Of the entire electromagnetic spectrum, the human ...
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