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Catadioptrics

Compact Catadioptrics as Market Leaders among Astronomical Telescopes

Since the original introduction of the Celestron and Meade SCT several decades ago, it became clear that compact catadioptrics would become market leaders in mass-produced serious astronomical telescopes. The modern mass-produced Schmidt Cassegrain offers some advantages over the equivalent aperture refractor or Newtonian. It is smaller and more compact than either, offers certain practical photographic

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Shoulder Pain

Neck and Shoulder Pain

Neck and shoulder pain can prevent an individual from living a healthy, happy, and productive life (read olee sleep mattress reviews to get more details about how to prevent back pain symptoms caused by sleeping on uncomfortable bed). There is no reason why people should suffer from neck and shoulder pain, and if you are

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Viking

What Are the Viking Amulets of Protection, Luck, and Power?

People resort to various talismans to find what they want, to improve their well-being, to make life comfortable or to protect themselves from the negative. Particularly compelling are the Viking amulets. Nowadays, there are plenty of legends and myths concerning it. Anyway, many people are convinced that these symbols of the Vikings possess protective function.

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