Very cool.

http://www.amasci.com/amateur/holo1.html

I'm not sure they're actually "holograms" in the usual sense, but 3D pictures.

The full paper linked low on the page goes into the geometric details.
-- 
   Darren New, San Diego CA, USA (PST)
   Understanding the structure of the universe
    via religion is like understanding the
     structure of computers via Tron.

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Darren New wrote:
> Very cool.
> 
> http://www.amasci.com/amateur/holo1.html

I tried to make some of these many years ago but somehow I was never 
able to get a nice result.  Certainly not nearly as good as this guy's, 
which are quite impressive.

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Kevin Wampler wrote:
> Certainly not nearly as good as this guy's, 

I classify this in the "way too much time on my hands" school of hobby, 
myself. I imagine with only 80 to 100 hours of practice you could make some 
pretty decent holograms. :-)

-- 
   Darren New, San Diego CA, USA (PST)
   Understanding the structure of the universe
    via religion is like understanding the
     structure of computers via Tron.

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Darren New <dne### [at] sanrrcom> wrote:
> Very cool.
>
> http://www.amasci.com/amateur/holo1.html

indeed.  Big geek points... :)

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