Although London is predominantly Christian, this map shows an archipelago of different faiths throughout the city.

Anatomy of Autonomous Vehicles: Is GIS Really Under the Hood of Self-Driving Cars?

GIS Geography

Will GIS thrive in a world of driverless cars?

Worlds Revealed: Cartography and Maps at the Library of Congress

Nineteenth century land ownership maps of United States counties are among the more significant groups of Americana in the map collections of the Library of Congress. These maps are invaluable to the genealogist in tracing family backgrounds, to the geographer studying rural landscapes of over a century ago, and to local historians seeking to reconstruct nineteenth century cultural life.

Now you can help NASA improve its global land cover maps

Geoawesomeness

The space agency’s newly-launched ‘Adopt a Pixel’ program is inviting all citizen-scientists to help NASA improve its global land cover maps.

Solar Index Correction Method for Sextant Sights

David Burch Navigation blog

Modern celestial navigation was well underway by the end of the 18th century.  Almanacs were readily available and numerous mathematical prescriptions for doing the analysis of several sights were widely known. Newton’s original invention of the sextant had pretty much replaced all earlier measuring devices, and there were several well known textbooks on navigation.

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