[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"pubgrp:rd-invention:en:ja":3},{"type":4,"slug":5,"title":6,"level":7,"goal":8,"image_path":8,"is_locked":9,"is_daily_free":9,"passage":10,"questions":34,"vocab":77},"reading","rd-invention","発明品","intermediate",null,false,[11,15,19,23,26,30],{"en":12,"ko":13,"ko_audio":8,"audio":14},"The electron microscope is one of the most important inventions of the twentieth century.","The electron microscope is one of the most important inventions of the 20th century.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F06dc2573-f052-4e6e-8df8-44d5b73589e4.mp3",{"en":16,"ko":17,"ko_audio":8,"audio":18},"Scientists created it in the 1930s to see objects that were too small for regular microscopes.","Scientists created it in the 1930s to see small objects that could not be seen with regular microscopes.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F59a11bb3-fcb1-4922-870b-7ed4e649c6a3.mp3",{"en":20,"ko":21,"ko_audio":8,"audio":22},"Unlike optical microscopes that use light, electron microscopes use a beam of electrons to magnify objects.","Unlike optical microscopes that use light, electron microscopes use electron beams to magnify objects.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002Fa2a9cdef-573b-45e6-b75c-8a4691158f02.mp3",{"en":24,"ko":24,"ko_audio":8,"audio":25},"This technology allowed scientists to discover the structure of viruses and bacteria for the first time.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002Fb07db9f8-a86e-4ebe-bfbb-dda8cabe9b75.mp3",{"en":27,"ko":28,"ko_audio":8,"audio":29},"The electron microscope has helped develop new medicines and improved our understanding of diseases.","The electron microscope helped develop new medicines and improved our understanding of diseases.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F973bd378-e505-45c4-8e75-2b89ed85310a.mp3",{"en":31,"ko":32,"ko_audio":8,"audio":33},"Today, electron microscopes are essential tools in hospitals, universities, and research centers worldwide.","Today, electron microscopes are essential tools in hospitals, universities, and research centers around the world.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F0b3e03bf-b404-4a17-b6ff-c190d7320662.mp3",[35,42,49,56,63,70],{"q":36,"options":37,"answer":39},"When was the electron microscope created?",[38,39,40,41],"In the 1920s","In the 1930s","In the 1940s","In the 1950s",{"q":43,"options":44,"answer":46},"What is the main difference between an electron microscope and an optical microscope?",[45,46,47,48],"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":50,"options":51,"answer":53},"Why did scientists invent the electron microscope?",[52,53,54,55],"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":57,"options":58,"answer":60},"What did the electron microscope help scientists discover?",[59,60,61,62],"The structure of planets","The structure of viruses and bacteria","New types of metals","Ancient fossils",{"q":64,"options":65,"answer":67},"How has the electron microscope contributed to medicine?",[66,67,68,69],"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":71,"options":72,"answer":75},"Where are electron microscopes mainly used today?",[73,74,75,76],"Only in schools","Only in museums","In hospitals, universities, and research centers worldwide","They are no longer used",[78,83,88,93,98,103],{"en":79,"ko":80,"ko_audio":81,"audio":82},"invention","発明","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F751e682f-05de-4ffa-af47-140a2c1d043b.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002Ff9feb704-f21f-4984-b73e-264e83ce24b7.mp3",{"en":84,"ko":85,"ko_audio":86,"audio":87},"magnify","拡大する、大きくする","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F300b1eb1-7e74-4de2-942f-29df41f230e2.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002Ffda692b8-ad64-4a74-9447-fd466244b1c4.mp3",{"en":89,"ko":90,"ko_audio":91,"audio":92},"electron","電子、原子を構成する小さな粒子","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Ff099639e-84b8-4dbe-89b4-1ce57207c4fb.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002F43bc46ba-f188-4ee0-85c4-fd65d665615a.mp3",{"en":94,"ko":95,"ko_audio":96,"audio":97},"virus","ウイルス、病原体となる非常に小さな生物","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Feb3f2e5d-5a74-4e2f-80d0-3099ff652ba2.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002F89c4f21a-f84c-4e89-a037-3d91744468a8.mp3",{"en":99,"ko":100,"ko_audio":101,"audio":102},"essential","必須の、欠かせない","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Fe11f3463-9089-4328-aef9-32004c0ec0ec.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002Fa83e1cdc-b4ab-4040-82c8-cd1f81c8d8c4.mp3",{"en":104,"ko":105,"ko_audio":106,"audio":107},"beam","光線、直進する光またはエネルギー","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F1bc4e927-828c-4914-a992-e9b7157740a3.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002Fbfe9e041-6440-4673-b6bf-0cf518656459.mp3"]