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From i-mcnamara@cornellcollege.edu:
You've gotta love those photons.  Interesting idea for an image, but there are a
few aspects that I would like to make some suggestions about.  About the
lighting, the photons look great, but the shadows cast by your object a rather
flat.  Try out some area lighting to soften those up.  In regards to the haze
in the background, try enclosing it in a cylinder or other rounded shape to
create a curving appearance; it looks a bit blocky at the moment.  Good work
though, and thanks for entering.

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From m-abel@columbus.rr.com:
Nice abstract.  Would have enjoyed some commentary, even auf Deutsch.