[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"pubgrp:rd-invention:en:ko":3},{"type":4,"slug":5,"title":6,"level":7,"goal":8,"image_path":8,"is_locked":9,"is_daily_free":9,"passage":10,"questions":41,"vocab":84},"reading","rd-invention","발명품","intermediate",null,false,[11,16,21,26,31,36],{"en":12,"ko":13,"ko_audio":14,"audio":15},"The electron microscope is one of the most important inventions of the twentieth century.","전자 현미경은 20세기의 가장 중요한 발명품 중 하나입니다.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F6cf52855-879a-4f1a-8580-a6b97459c08d.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F06dc2573-f052-4e6e-8df8-44d5b73589e4.mp3",{"en":17,"ko":18,"ko_audio":19,"audio":20},"Scientists created it in the 1930s to see objects that were too small for regular microscopes.","과학자들은 1930년대에 일반 현미경으로는 볼 수 없는 작은 물체를 보기 위해 그것을 만들었습니다.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Fbde75b9e-e568-43ff-9378-4a6425fc586f.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F59a11bb3-fcb1-4922-870b-7ed4e649c6a3.mp3",{"en":22,"ko":23,"ko_audio":24,"audio":25},"Unlike optical microscopes that use light, electron microscopes use a beam of electrons to magnify objects.","빛을 사용하는 광학 현미경과 달리, 전자 현미경은 전자 빔을 사용하여 물체를 확대합니다.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F1ebd6c24-d4eb-4d4b-9346-745299385fd8.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002Fa2a9cdef-573b-45e6-b75c-8a4691158f02.mp3",{"en":27,"ko":28,"ko_audio":29,"audio":30},"This technology allowed scientists to discover the structure of viruses and bacteria for the first time.","이 기술은 과학자들이 처음으로 바이러스와 박테리아의 구조를 발견할 수 있게 해주었습니다.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F0108b565-f375-4257-b35d-6f5d80be7ef0.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002Fb07db9f8-a86e-4ebe-bfbb-dda8cabe9b75.mp3",{"en":32,"ko":33,"ko_audio":34,"audio":35},"The electron microscope has helped develop new medicines and improved our understanding of diseases.","전자 현미경은 새로운 의약품 개발을 도왔고 질병에 대한 우리의 이해를 향상시켰습니다.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Fed9ce297-3c4f-41bc-b956-bc65bc0f0870.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F973bd378-e505-45c4-8e75-2b89ed85310a.mp3",{"en":37,"ko":38,"ko_audio":39,"audio":40},"Today, electron microscopes are essential tools in hospitals, universities, and research centers worldwide.","오늘날, 전자 현미경은 전 세계 병원, 대학, 연구 센터에서 필수적인 도구입니다.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F549c6321-b574-46e8-b2e1-fe6718d6cd8f.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F0b3e03bf-b404-4a17-b6ff-c190d7320662.mp3",[42,49,56,63,70,77],{"q":43,"options":44,"answer":46},"When was the electron microscope created?",[45,46,47,48],"In the 1920s","In the 1930s","In the 1940s","In the 1950s",{"q":50,"options":51,"answer":53},"What is the main difference between an electron microscope and an optical microscope?",[52,53,54,55],"Electron microscopes use light; optical microscopes use electrons","Electron microscopes use electrons; optical microscopes use light","Both use the same technology","Optical microscopes are more powerful",{"q":57,"options":58,"answer":60},"Why did scientists invent the electron microscope?",[59,60,61,62],"To replace all other microscopes","To see very small objects that regular microscopes couldn't show","To make microscopes more colorful","To reduce the cost of research",{"q":64,"options":65,"answer":67},"What did the electron microscope help scientists discover?",[66,67,68,69],"The structure of planets","The structure of viruses and bacteria","New types of metals","Ancient fossils",{"q":71,"options":72,"answer":74},"How has the electron microscope contributed to medicine?",[73,74,75,76],"It has reduced the cost of hospitals","It has helped develop new medicines and improve disease understanding","It has made doctors unnecessary","It has only been used for teaching",{"q":78,"options":79,"answer":82},"Where are electron microscopes mainly used today?",[80,81,82,83],"Only in schools","Only in museums","In hospitals, universities, and research centers worldwide","They are no longer used",[85,90,95,100,105,110],{"en":86,"ko":87,"ko_audio":88,"audio":89},"invention","발명","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F1c1dd931-e5ab-45e0-8f27-a0b821f5c661.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002Ff9feb704-f21f-4984-b73e-264e83ce24b7.mp3",{"en":91,"ko":92,"ko_audio":93,"audio":94},"magnify","확대하다","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F47b53d60-dd21-48aa-9345-6a14cfbc03d6.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002Ffda692b8-ad64-4a74-9447-fd466244b1c4.mp3",{"en":96,"ko":97,"ko_audio":98,"audio":99},"electron","원자를 구성하는 작은 입자","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F08c6c9dd-b666-415a-afc6-c5dbe75b3cbd.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002F43bc46ba-f188-4ee0-85c4-fd65d665615a.mp3",{"en":101,"ko":102,"ko_audio":103,"audio":104},"virus","병을 일으키는 매우 작은 생물","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F9c448f8a-287d-483a-91a7-33f8fbf8702f.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002F89c4f21a-f84c-4e89-a037-3d91744468a8.mp3",{"en":106,"ko":107,"ko_audio":108,"audio":109},"essential","필수적인, 꼭 필요한","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F79104b09-f9a4-45c8-8bf2-93cb99c2d188.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002Fa83e1cdc-b4ab-4040-82c8-cd1f81c8d8c4.mp3",{"en":111,"ko":112,"ko_audio":113,"audio":114},"beam","광선, 직진하는 빛이나 에너지","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F76bdd13f-f60e-427a-98ad-7849df7b9967.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002Fbfe9e041-6440-4673-b6bf-0cf518656459.mp3"]