"Mark James Lewin" <m_j### [at] yahoocomau> wrote:
>
>
> Bill DeWitt wrote:
> >     For the most part, shouldn't lasers be invisible along their length,
> > unless you blow smoke at them or something?
>
> Yes, except in science fiction.
>
> MJL

Yes, they are very noisy too, especially in deep space...

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Philippe Lhoste (Paris -- France)
Professional programmer and amateur artist
http://jove.prohosting.com/~philho/

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