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#Jeong Hyung-don #Lee Dok-sil #Oppenheimer Nice to meet you Nice to meet you!! This week, we are back with a teacher who will share knowledge without fail!!! Following Korean history, today's topic is science!! I asked everything I was curious about, such as Oppenheimer, nuclear bombs, space, satellites, etc.! I feel like I'm gaining knowledge~ ...But is it because I'm feeling that I don't understand...?ㅋ I have no doubt that all of our readers who are reading this will understand! It may be difficult at first, but it's fun as you listen. Let's go into the world of science!! #Science #Nuclear bomb #Artificial satellite #Gravity #Earth #Sun #Moon