Re: WJ sees Red!! (was: hoya R72 Filter)

["Willem-Jan Markerink" <w.j.markerink@xxxxx>]

On 28 Aug 96 at 17:34, Robert Long wrote:

> On Tue, 27 Aug 1996 23:04:52 +0100, Willem-Jan Markerink wrote:
> 
> |> Yes, course it does!!  When you think about 'opaque', substances like 
> |> that opal perspex stuff light boxes are made of spring to mind.  
> |> Whereas these dark red filters are transparent, even if dark coloured 
> |> aren't they?
> |
> |My dictionary says: non-shining trough, dark.
> |Heck, I didn't invent this word!
> 
> Yes, we really should be careful about the way we use words here,
> because the basic subject matter can be confusing enough without
> semantic quibbles.  To me, opal Perspex is translucent, not opaque.
> When I think about "opaque," black Bakelite is more likely to come to
> mind.

Ah yes, that's better, more like 'the world according to Willem'....:-))

 
> |I just had to restrain myself today in our Dutch newsgroup nl.foto, 
> |in which someone mentioned that black-filters don't exist since black 
> |is not a color....<insert proud smile here>
> 
> Goethe, of course, insisted that black *was* a color.  It seems that
> he began his "Farbenlehre" because of his disgruntlement at Newton's
> contention that black was the absence of all colors, just as white was
> the presence of all colors.  He ended up by proving his presupposition
> to be true--at least to his own satisfaction.  So much for scientific
> inquiry!

Since I read about Goethes interventions in William Herschel's IR 
discoveries, he surely lost some credibility for me....
I have a nice chapter on my homepage about the quibbelings (sp?) 
between these two scientists.
(http://www.a1.nl/phomepag/markerink/mainpage.htm)

--
Bye,

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The difference 
between men and boys
is the price of their toys

<w.j.markerink@xxxxx>
[note: 'a-one' & 'en-el'!]

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Topic No. 3