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A wide variety of optical instruments are in use today, ranging from microscopes to telescopes.
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This animation demonstrates the structure and operation of digital cameras.
The Hubble Space Telescope orbits outside the distorting influence of Earth´s atmosphere.
The Kepler space telescope was launched by NASA to discover Earth-like planets orbiting other stars
This animation shows optical and radiotelescopes used in astronomical observation.
A ray of light is reflected or refracted at the boundary of two mediums with different refractive indices.
The information gathered by the eye is misinterpreted by the brain.
The eye is one of our most important sense organs. When stimulated by light, electric impulses are produced by its receptors.
Concave and convex lenses are used for the correction of short-sightedness and far-sightedness.
An Ames room is a distorted room that is used to create an optical illusion.
The three important laws describing planetary motion were formulated by Johannes Kepler.
Lighthouses are used as an aid to navigation in coastal waters.
Observatories are often built at high elevations to minimise the effects of atmospheric turbulence
Mirror image isomers of asymmetrical shapes and solids are non-superimposable.
The curvature of the lens of the eye changes when we look at a distant or at a near object, to ensure a sharp image.
This animation demonstrates the structure and operation of CT scanners.
This animation demonstrates the structure and operation of electron microscopes.
This animation explains transparency and opacity, the principle of radiography, and the light-absorbing properties of materials.
Satellites orbiting the Earth can be used for civilian or military purposes.
The Voyager space probes were the first man-made objects to leave the Solar System. They gather data about outer space and carry information about humanity.