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Posted by on May 19, 2017 in TellMeWhy |

Where Is Cobalt Used?

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 there is a connection in the...

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Posted by on Jun 15, 2016 in TellMeWhy |

What Is Clay?

What Is Clay?

Clay is a special kind of earth. It is made up of the smallest particles of rock, tinier than those in most other kinds of soil. The minerals that make up ordinary clay...

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