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(IP보기클릭)110.70.***.***
(IP보기클릭)114.203.***.***
(IP보기클릭)114.70.***.***
(IP보기클릭)223.39.***.***
(IP보기클릭)118.235.***.***
우주선을 (연료없이) 쏘아보내는 | 20.09.22 14:37 | | |
(IP보기클릭)223.39.***.***
궤도엘리베이터 있짆아 반중력 따위를 연구할 자본으로 탄소섬유 개발에 다 꼴박해서 궤도엘리베이터나 만드는게 더 저렴함 | 20.09.22 14:38 | | |
(IP보기클릭)125.178.***.***
(IP보기클릭)218.157.***.***
(IP보기클릭)118.235.***.***
과학의 발전은 너무나 당연한걸 의심하는것에서 부터 시작된다 | 20.09.22 15:17 | | |
(IP보기클릭)110.70.***.***