2018 GGHS Team 1

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Yearim205 (토론 | 기여) 사용자의 2018년 7월 25일 (수) 21:04 판

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Introduction

A comparison of the Technology of Goryeo and Foreign Countries

What is a cannon?

The origin of the invention of metal types

Body

European and Chinese cannon

The cannon of the Goryeo Dynasty

Conclusion

Modern technology

3D Printer

Today, a three-dimensional printer(3D - printer) has been created combining traditional printing technology with the wisdom of our ancestors. Three-dimensional printing is a manufacturing technique that produces three-dimensional objects by spraying a continuous layer of matter. By using this, they were able to create objects in three dimensions, not in two dimensions. [1]

Reference

  1. 프리미엄 조선|1000년간 가장 중요한 발명은 금속활자?|공미라(세계사 저술가)| 2014.02.21.|http://premium.chosun.com/site/data/html_dir/2014/02/20/2014022004605.html

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