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Boston public schools map switch aims to amend 500 years of distortion

Mar 19, 2017 by

A district will drop the Mercator projection, which physically diminished Africa and South America, for the Peters, which cut the developed world down to size

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When Boston public schools introduced a new standard map of the world this week, some young students’ felt their jaws drop. In an instant, their view of the world had changed.

The USA was small. Europe too had suddenly shrunk. Africa and South America appeared narrower but also much larger than usual. And what had happened to Alaska?

In an age of “fake news” and “alternative facts”, city authorities are confident their new map offers something closer to the geographical truth than that of traditional school maps, and hope it can serve an example to schools across the nation and even the world.

For almost 500 years, the Mercator projection has been the norm for maps of the world, ubiquitous in atlases, pinned on peeling school walls.

Gerardus Mercator, a renowned Flemish cartographer, devised his map in 1569, principally to aid navigation along colonial trade routes by drawing straight lines across the oceans. An exaggeration of the whole northern hemisphere, his depiction made North America and Europe bigger than South America and Africa. He also placed western Europe in the middle of his map.

Mercator’s distortions affect continents as well as nations. For example, South America is made to look about the same size as Europe, when in fact it is almost twice as large, and Greenland looks roughly the size of Africa when it is actually about 14 times smaller. Alaska looks bigger than Mexico and Germany is in the middle of the picture, not to the north – because Mercator moved the equator.

Three days ago, Boston’s public schools began phasing in the lesser-known Peters projection, which cuts the US, Britain and the rest of Europe down to size. Teachers put contrasting maps of the world side by side and let the students study them.

Source: Boston public schools map switch aims to amend 500 years of distortion | Education | The Guardian

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