Dera Stephanie,
This is called the pinhole effect.
Go to our website:
http://www.exploratorium.edu/
and search on pinhole and you'll find lots of examples and explanations.
Deb
________________________
Deb Hunt
Snacktalk Moderator
Exploratorium
3601 Lyon Street
San Francisco, CA 94123-1099
dhunt@exploratorium.edu
On Thu, 10 Mar 2005, Stephanie Womack wrote:
> Everyday at a certain time in my room, a thin stream of light comes
> through my curtains and instead of just light, a colored shadow is
> visible. The shadow itself is more a reflection of what's going on
> outside. I can see the buildings, grass, sky, and people walking. It's
> also upside down. The colors I can see are blue, white, black, green,
> and whatever the people walking by are wearing.
>
> Why does this happen? Is it a simple reflection despite its shadow
> appearance, or is it just the sun creating sort of a prism through my
> window to make this reflective shadow?
>
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