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In astronomy, it is very important to consider what sort of microscope you will use in your observations. Generally for the personal stargazer, there are many forms of portable, smaller telescopes to choose from. However, for academia and research purposes, there are large observatories on earth and in space that can gaze into the depth of space. What sort of properties must we be aware of when operating telescopes and locating distant objects in the universe?

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Outlining the different types of microscopes and their uses in cell biology.

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The abbreviation CD stands for Compact-Disc and is a type of optical disk. These discs utilise many aspects of physics in their design and operation. A CD is usually composed of three layers, one of poly-carbonate, one of aluminium (or any other reflective surface), and one of a support material which is usually some sort of polymer.

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A short report on fiber optic cables for beginner level physics.