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physics: optics
Optics: the scientific study of light and vision; its various applications include lenses, microscopes, lasers and fiber optics.
wave
Oscillation caused by a disturbance; as it propagates through a medium (mechanical waves) or a vacuum (electromagnetic waves), it carries energy.
electromagnetic spectrum
Electromagnetic waves that are classified in ascending order of energy (frequency); they propagate at the speed of light (300,000 km/s).
pulsed ruby laser
Device that produces a thin and very intense colored light beam; its various applications include fiber optics, manufacturing and surgery.
prism binoculars
Optical instrument made up of two identical telescopes, one for each eye; it magnifies both near and distant objects.
color synthesis
Technique of generating color by combining light rays or subtracting them to obtain a colored image.
vision
Ability to perceive shapes, distances, motion and colors; it is related to light rays and varies depending on the degree of sensitivity of the eye.
lenses
Transparent pieces of material (usually glass) that cause light rays to converge or diverge to form a sharp image (eyeglasses, microscopes, telescopes, cameras).
