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실제로 반투명한 용지를 지구본에 대 보기도 하고, 평면 지도에 대보기도 했는데 면적 비율의 차이가 나서 신기했따. 재미있었다

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타임지에 실린 양면 세계지도

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타임지에 실린 양면 세계지도

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In 1569, when Flemish cartographer Gerardus Mercator flattened the earth's cylindrical surface onto paper, he gave sailors the tools to navigate ocean voyages. But he also distorted the size of countries nearest the poles-North America appears abnormally large, for example. Despite the inaccuracies, the Mercator projection became the norm, and was even the basis of Google Maps until as recently as 2018. Astrophysicist J. Richard Gott, along with colleagues David Goldberg and Robert Vanderbei, set out in 2019 to fix the inaccuracies and came up with a double-sided map that is similar to a vinyl record in shape. It improves geographical parity between continents, finally representing the southern hemisphere as fairly as possible on paper. The map is free to access online, and the scientists are working with publishers to make it widely available for sale in the future. -Eloise Barry

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Gott-Goldberg-Vanderbei Projection: The 100 Best Inventions of 2021

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In 1569, when Flemish cartographer Gerardus Mercator flattened the earth's cylindrical surface onto paper, he gave sailors the tools to navigate ocean voyages. But he also distorted the size of countries nearest the poles-North America appears abnormally large, for example.

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왜곡을 보완한 양면 세계지도

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왜곡을 보완한 양면 세계지도

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현재의 세계지도는 메르카르토 도법으로 만들었지만, 왜곡이 심하다고 한다. 몇몇 학자들이 힘을 모아 평면 세계지도의 왜곡을 바로잡기 위해 노력했고, 등거리 방위투영법을 사용해 거리 오류가 적다고 한다.

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Now, a fundamental re-imagining of how maps can work has resulted in the most accurate flat map ever made, from a trio of map experts: J. Richard Gott , an emeritus professor of astrophysics at Princeton and creator of a logarithmic map of the universe once described as "arguably the most mind-bending map to date"; Robert Vanderbei , a professor of operations research and financial engineering who created the " Purple America " map of election results; and David Goldberg, a professor of physics at Drexel University.

Their new map is two-sided and round, like a phonograph record or vinyl LP. Like many radical developments, it seems obvious in hindsight. Why not have a two-sided map that shows both sides of the globe? It breaks away from the limits of two dimensions without losing any of the logistical convenience - storage and manufacture - of a flat map.

In 2007, Goldberg and Gott invented a system to score existing maps , quantifying the six types of distortions that flat maps can introduce: local shapes, areas, distances, flexion (bending), skewness (lopsidedness) and boundary cuts (continuity gaps). The lower the score, the better: a globe would have a score of 0.0.

"One can't make everything perfect," said Gott, who is also a 1973 graduate alumnus of Princeton. "A map that is good at one thing may not be good at depicting other things." The Mercator projection, popular on classroom walls and used as the basis for Google maps, is excellent at depicting local shapes, but it distorts surface areas so badly near the North and South Poles that polar regions are usually simply chopped off.

Clearly, a completely new approach was needed. Gott drew a comparison to Olympic high jumpers: In 1968, Dick Fosbury shocked sports fans by arching his back and jumping over the bar backwards. He set a new record and won a gold medal, and high jumpers have jumped backwards ever since.

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Princeton astrophysicists re-imagine world map, designing a less distorted, 'radically different' way to see the world

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Now, a fundamental re-imagining of how maps can work has resulted in the most accurate flat map ever made, from a trio of map experts: J.