신기한 루퍼트 왕자의 구슬

in stc •  5 years ago 

루퍼트.gif

루퍼드 왕자의 구슬

녹인 유리를 빠르게 식혀 내부의 밀도가 높아져 총알도 막을 정도로 단단해진다.
반대로 꼬리쪽은 밀도가 낮아져 살짝만 건드려도 박살난다.
(강화유리가 이것의 응용)

stc sct-kr zzan kr sct
5 years ago by

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