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    • CommentAuthorKosmopolit
    • CommentTimeDec 3rd 2009 edited
    Boron Nitride is the second-hardest substance known after diamond and is used extensively as a ceramic.

    It also absorbs neutrons making it attractive as a radiation shield fro spacecraft.

    Now scientists have found a way to produce relatively cheap bulk quantities of Boron Nitride nanotubes which can used to make superstrong fibres.