Category Archives: map making

A global view of HIV infection

To mark World AIDS Day on December 1, GfK GeoMarketing  provided a map that illustrates the global distribution of HIV cases (data source: WHO/GfK GeoMarketing; map: GfK GeoMarketing). According to the latest statistics from the World Health Organization (WHO), the … Continue reading

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The Astrolabe:Astronomical Computer

The astrolabe is a very ancient astronomical computer for solving problems relating to time and the position of the Sun and stars in the sky. Several types of astrolabes have been made. By far the most popular type is the … Continue reading

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World’s Biggest Atlas

Copies of the largest world atlas ever produced have gone on sale at an earth-shattering price of £2,000 each. Dubbed “the ultimate book about our world”, the luxurious, limited edition Earth is hand-bound in leather with gilded edges and silver-plated … Continue reading

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Map Scales of Topographic Maps

Individual topographic maps are commonly referred to as quadrangles (or quads), with the name of the quadrangle indicating the area covered by the map. The largest area covered by most topographic maps used for scientific mapping purposes (i.e. geologic mapping, … Continue reading

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