> You can get a basic book on the physics and spend a few hours each  week
 > working - not skimming, *working* with it and come out in a month or two
 > with a firm grasp of what you are talking about.
Dave,
 I wrote a long message some time back that had all of the conversions in it. 
If someone saved a copy (I didn't), it might be nice to repost it.
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