Re: breaking the speed of light article on howstuffworks.com

From: Robert Baer (robertbaer_at_earthlink.net)
Date: 02/06/05 

Date: Sun, 06 Feb 2005 10:54:42 GMT

John Woodgate wrote:
>
> I read in sci.electronics.design that ~~SciGirl~~ <palmtree117@juno.com>
> wrote (in <1107622905.195033.307140@z14g2000cwz.googlegroups.com>) about
> 'breaking the speed of light article on howstuffworks.com', on Sat, 5
> Feb 2005:
> >This is a question I have had since reading about Maxwell's equations...
> >in each one of them, there is this upside-down triangle symbol that
> >looks just like the delta triangle flipped over. What is this symbol and
> >what does it mean???
>
> It's called 'del' or 'nabla', and it's a symbol in calculus. You said
> 'no calculus', so it's a bit difficult to help you any more. The first
> paragraph at the URL:
>
> http://www.hypercomplex.com/education/intro_tutorial/nabla.html
>
> gives you the history, but then it goes deeply into vector calculus in
> three dimensions.
> --
> Regards, John Woodgate, OOO - Own Opinions Only.
> The good news is that nothing is compulsory.
> The bad news is that everything is prohibited.
> http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk

  Thanks for the ref! Seems my wild guess was not too far off..

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