Re: Rotation

[Chris Bogart <cbogart@QUETZAL.COM>]

>>How can one identify the north end of a symmetrical object?  The head of a
>>slot screw is the same is rotated by 180 degrees - the north and south ends
>>cannot be discerned.
>
>No, I think he meant that the head of the screw would be considered the north
>pole vs the point as the south pole with the axis being the long dimension
>of the screw , now its rotation can be described in
>relation to being with or against the rotation of the earth.

Oops, I assumed "slot screw" meant some weird kind of screw where you can't
tell the head from the point.  If he just meant a regular screw, then you're
right, my system would work fine.