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When Does Color Fade?
When Does Color Fade? An article’s color fades when subjected to a chemical reaction in which oxygen is released. This oxygen combines wit
What Is the Strongest Material?
What Is the Strongest Material? In materials, there is usually a trade-off between hardness and brittleness versus ductility and flexibility
When Were Video Tapes Introduced?
When Were Video Tapes Introduced? Video tapes were introduced in the years following the Second World War. The idea of storing information o
Where Is Cobalt Used?
Where Is Cobalt Used? Can you think of any connection between a delicate Ming vase and a nuclear explosion? Difficult, isn’t it? And yet…
Why Do Zippers Have Initials Ykk on Them?
Why Do Zippers Have Initials Ykk on Them? The initials YKK stand for Yoshida Kōgyō Kabushiki gaisha (Yoshida Manufacturing Corporation), w