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    Why are diamonds used to make needles on record players?

    Question #41348. Asked by JanetJean. (Nov 20 03 2:46 PM)


    mk2norwich

    		Because of its hardness and durability. A stylus has to take a lot of punishment as it carves its way through groove after groove of tough vinyl, so a suitably hard substance is needed for this purpose, and diamond is ideal.

    Nov 20 03, 2:53 PM

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