Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 우주에서 입증된 K-원자력전지 성능...세계 3번째 개발 성공 / YTN 사이언스. That video is uploaded by YTN 사이언스 투데이 at 2024-07-10T01:22:55-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [za4Sn2uUOxU]