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Physical Science

Skywatcher Focuser Review

A good focuser is of the utmost importance to the visual observer as well as the astrophotographer. After all, what use are the best optics in the world if you can’t bring them to pin sharp focus easily and effectively….
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Earth Science

Safe Alternatives to Salt for Ice Removal

Ice removal and prevention is a recurring problem for property maintenance in Snow Belt areas. Inexpensive salt has been used extensively for years by homeowners, road maintenance crews and municipalities to control ice. Unfortunately this has caused extensive damage to…
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