Re: Sky and Polarization

From: wecooks@ix.netcom.com (Janet K. and James R. Cook)
Subject: Re: Sky and Polarization
Date: Sun, 6 Oct 1996 20:36:13 -0700

Cheaper wayto get a polarized lens--old fishing sunglasses.  We get 
them by the dozen for $7 a pair from K-Mart or WalMart.  They must be 
well-polarized because I can never read my watch!  jkcook


You wrote: 
>
>Dear discuss-lfm members,
>                       <<DO your experiments>>
>
>1. 90 deg scattering the blue sky is polarized. Look at the blue sky
>through a polaroid. 
>
>How to get polaroid: Electronic calculator (Liquid crystal equipments)
>use polaroid. Take off!
>
>2. Look at the rainbow through the polaroid. What a beautiful! Try it.
>
>3. Half moon is scattering sunlight through 90 deg to you.
>Is the half moon light polarized? 
>
>4. What is Brewster's angle?
>
>Thanks
>
>Syu
>