why glass is transparent to light, but not UV? Explain how polarized
sunglasses work better and their better.Explain the difference between
real and virtual images.Explain the difference between reflection and
refraction and give examples. Explain how mirages form. Why are tennis
balls and emergency vehicles painted their color? Why is the sky blue
and why are sunsets red?

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Clarification of Question by stealgoalzz-ga on 07 Jun 2005 15:28 PDT

sorry i only meant to ask: 

why glass is transparent to light, but not UV? 

and

Explain how polarized
sunglasses work better and their better.

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Clarification of Question by stealgoalzz-ga on 07 Jun 2005 15:51 PDT

actually i only need to know Explain how polarized
sunglasses work better and their better. so if you can tell me that i
would get very happy and you would get paid

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Clarification of Question by stealgoalzz-ga on 07 Jun 2005 15:58 PDT

does any one how mirages form or do you a website that could help me find the answer

There are at least eight questions here. It is not likely that anyone
will want to answer eight questions in order to earn $1.50. I suggest
that you repost each of these items as a separate question.

this article should interest you

http://travel.howstuffworks.com/sunglass4.htm

I don't understand all of the question. When you say "Explain how
polarized sunglasses work better and their better," what do you mean
by "their better"?

sry i changed the qustion again to how do mirages form. i hope that's clear enough

basically, mirages are formed from the surface warming up the air and
that hot air rising through colder air.  the light is reflected
causing u to see a mirage.  it works the opposite way too.  cold air
from the atmostsphere dropping through warm air.  this is explained at
http://www.encyclopedia.com/html/m1/mirage.asp