■ Subscribe : http://bit.ly/NGCKorea Have you heard about Non-Newtonian Fluid? That element made custard cream to survive from hammer. Let’s know about it mo… 원문보기
2019/06/05 08:01
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시력게임 :: 눈이 건강해지는 앱 [아이앱]
What wasn’t Break after Hammering? #Nationalgeographic, #내셔널지오그래픽, #과학, #과학실험, #실험