Recent content by h_hin

  1. H

    High School The physical properties of diamonds: no melting point?

    okay get it all,thanks!
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    High School Comparing sizes of atoms of an apple the size of the Earth

    it saids“if an apple is magnified to the size of the earth, then the atoms in the apple are approximately the size the size of the original apple” then why the atoms in the apple are "approximately" the size the size of the original apple, but not equal?
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    High School The physical properties of diamonds: no melting point?

    get it,but is it good for describing diamond as no melting point?
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    High School The physical properties of diamonds: no melting point?

    I had heard an opinion from my high school teacher, but I can't understand?? "An experimental record of a French scientist. He heats the diamond and sublimates it. After cooling, it turns back to solid barbecue carbon. In this case, although there is a physical transition, the substance seems...
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    Any good lecture notes for classical mechanics?

    got it! thanks
  6. H

    Any good lecture notes for classical mechanics?

    Any good lecture notes for classical mechanic?