From: Paul Doherty (pauld@exploratorium.edu)
Date: Fri Jul 12 2002 - 14:34:53 PDT
Message-Id: <l03110705b954fbb1a186@[192.174.3.125]> Date: Fri, 12 Jul 2002 14:34:53 -0700 From: Paul Doherty <pauld@exploratorium.edu> Subject: Re: pinhole sunburns
Hi Sharon
While windows do reduce the amount of UV they do not block the entire
spectrum of UV. So a good fraction of the UVA radiation still comes through
the glass.
Thus with enough exposure you can still tan or burn through a car window.
Paul D
>I have always taught that you cannot get a sunburn in a car through a
>closed window. This summer while out west ( Utah, CO, NM) I got a burn
>and the windows were up. It was on my left arm and I was the driver.
>What gives?
>Thanks,
>Sharon Kirby
>PS I really missed the TI this summer. I hope everyone is having a
>wonderful time.
>
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