to be honest i wasn't really trying to cause a debate, rather clear up a thread that i read a couple of years ago that held a smattering of correct information and a lot of conjecture and guesswork. what i know about Physics in general could be written on the back of a very small BBC2 schedule...
thank you so much for your response. your erudite explanation has changed my mind forever. could you pm me your home phone number in cased i should ever need advice about my job again?
tried to leave this on the appropriate thread but it's locked! hope your not bored of the subject ;) there are some really in depth answers and stuff to be learned.
i'm (surprise surprise!) a tattooer just getting into the practicality of building machines after a bunch of very expensive...