Subtitled in Korean고대를 지나는 독특한 지구 궤도 | 로저 지. 길버트슨(Roger G. Gilbertson) | TEDxColoradoSpringsTranslated by Yoona SonReviewed by DK Kim
Subtitled in Korean책임있는 소비로 하루 5분 지구 살리기|션 프랭슨( Shaun Frankson)|TEDxStanleyParkTranslated by Yoona SonReviewed by Jihyeon J. Kim
Subtitled in Korean7:25A camera that can see around cornersDavid LindellTranslated by Yoona SonReviewed by Jihyeon J. Kim
