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이 페이지는 Youtop이 운영하는 독립 디렉터리 페이지입니다. Vox 또는 YouTube가 운영, 후원, 보증하지 않습니다. 수정 제안하기. 이 크리에이터 본인이신가요? 페이지 소유 신청
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이 페이지는 Youtop이 운영하는 독립 디렉터리 페이지입니다. Vox 또는 YouTube가 운영, 후원, 보증하지 않습니다. 수정 제안하기. 이 크리에이터 본인이신가요? 페이지 소유 신청
Vox · 2016년 12월 2일 게시
Making accurate world maps is mathematically impossible. Follow Johnny on Instagram www.instagram.com/johnny.harris/ Help us make more ambitious videos by joining the Vox Video Lab: http://bit.ly/video-lab Maps are flat representations of our spherical planet. Johnny Harris cut open a plastic globe to understand just what it takes to turn a sphere into something flat. His struggle to make a flat map out of the plastic globe is indicative of a challenge mapmakers have faced for centuries: It is mathematically impossible to translate the surface of a sphere onto a plane without some form of distortion. To solve this problem, mathematicians and cartographers have developed a huge library of representations of the globe, each distorting a certain attribute and preserving others. For instance, the Mercator projection preserves the shape of countries while distorting the size, especially near the north and south pole. For a more accurate view of land area look at the Gall-Peters projection, which preserves area while distorting shape. In the end, there's not "right" map projection. Each comes with trade-offs, and cartographers make projection decisions based on the particular tasks at hand. But if you are interested in seeing an accurate depiction of the planet, it's best to stick with a globe. Interact with projections: http://metrocosm.com/compare-map-projections.html Mercator tool: http://thetruesize.com/ Mike Bostock Map Transitions: http://bl.ocks.org/mbostock/3711652 Mercator Puzzle: http://hive.sewanee.edu/ldale/maps/10/06-LOCAL.html Vox.com is a news website that helps you cut through the noise and understand what's really driving the events in the headlines. Check out http://www.vox.com Check out our full video catalog: http://goo.gl/IZONyE Follow Vox on Twitter: http://goo.gl/XFrZ5H Or on Facebook: http://goo.gl/U2g06o
