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Do windshields protect against UV radiation

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John Hofbauer

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Jun 12, 1992, 12:23:49 AM6/12/92
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Ozone depletion and skin cancer have become THE fashionable topic lately.
I've heard of people getting skin cancer on their arms from letting them
hang out open windows. On the other hand (sic) does the windshield
protect you in any way against UV radiation?

Jim Frost

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Jun 12, 1992, 10:59:09 AM6/12/92
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Just about anything protects you from UV. It's one of the things I
find most amusing about the cheap sunglasses that advertise "100% UV
protection." Just putting a piece of plastic between you and the sun
does the same thing without any special coatings or added features. A
windshield should work just as well.

Happy hacking,

jim frost
ji...@centerline.com

col...@bronco.fnal.gov

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Jun 12, 1992, 6:00:54 PM6/12/92
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Yes it does. Richard Feynman, one of the people that worked on the
Manhatten Project and witnessed the explosion at Trinity Site, didn't
wear his protective glasses, but sat inside of a truck. He figured
that the windshield glass would protect him from the radiation of the
blast. He didn't go blind, he lived a useful life and died in 1988.

I had a friend that rode a motocycle a lot, he died of skin cancer at 21.

___________________________________________________________________________
***** * * From the e-net desk of: Rick Colombo CD/DCD/DSG * *
* ** * Fermi Nat'l Acc'l Lab 708-840-8225 Fermilab * * *
*** * * * P.O. Box 500 MS 369 Feynman Computer Center ***** *
* * ** Batavia, Ill. USA 60510 Col...@fnal.fnal.gov * * *****
* Sure to get `Flamed' if I didn't cross all my i's and dot all my t's ;-)

Chinnappa Ganapathy

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Jun 12, 1992, 5:45:49 PM6/12/92
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In article <1992Jun12...@bronco.fnal.gov> col...@bronco.fnal.gov writes:
>
>Yes it does. Richard Feynman, one of the people that worked on the
>Manhatten Project and witnessed the explosion at Trinity Site, didn't
>wear his protective glasses, but sat inside of a truck. He figured
>that the windshield glass would protect him from the radiation of the
>blast. He didn't go blind, he lived a useful life and died in 1988.
>
>I had a friend that rode a motocycle a lot, he died of skin cancer at 21.
>

Whoa! There you have eet! Comprehensive statistical evidence presented
in the familiar chain letter format!

8-)
--
Chinnappa Ganapathy | Q: What is the difference between hardware and
gana...@qualcomm.com | software?
QUALCO/\/\/\/\ | A: Hardware gets faster, cheaper and smaller.
| Software gets slower, costlier and bigger.

Dean Woodward

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Jun 12, 1992, 3:19:32 PM6/12/92
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ji...@centerline.com (Jim Frost) writes:

Right. Glass stops almost 100% of UV, which is why you can't get a tan
sitting in your living room or driving around with the windows rolled up.
(IR gets through, which is why it gets so blinkin' hot...) I'm not sure
how much UV plastic stops, but it's not quite as effective as glass...


--
Dean Woodward | OK. Last time. This is my machine. This is my
ro...@fringe.rain.com | Opinion. This is my opinion on my machine.
Any Questions? -me

Ronald Jones

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Jun 13, 1992, 8:46:27 PM6/13/92
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In article <0us0LB...@fringe.rain.com> ro...@fringe.rain.com (Dean Woodward) writes:
>ji...@centerline.com (Jim Frost) writes:
>
>> hofb...@csri.toronto.edu (John Hofbauer) writes:
>> >Ozone depletion and skin cancer have become THE fashionable topic lately.
>> >I've heard of people getting skin cancer on their arms from letting them
>> >hang out open windows. On the other hand (sic) does the windshield
>> >protect you in any way against UV radiation?
>>
>> Just about anything protects you from UV. It's one of the things I
>> find most amusing about the cheap sunglasses that advertise "100% UV
>> protection." Just putting a piece of plastic between you and the sun
>> does the same thing without any special coatings or added features. A
>> windshield should work just as well.
>>
>>
>Right. Glass stops almost 100% of UV, which is why you can't get a tan
>sitting in your living room or driving around with the windows rolled up.
>(IR gets through, which is why it gets so blinkin' hot...) I'm not sure
>how much UV plastic stops, but it's not quite as effective as glass...
>
>
Wrong. Plastic, especially polycarbonate (cheap sunglass variety) blocks
effectively below 400nm. Glass transmits well below this.

--
< Ron Jones | E-mail: r...@osu.edu >
< The Ohio State University | Office: (614) 292-1665 >
< Columbus, Ohio 43210 | FAX: (614) 292-7151 >
"eschew obfuscation"

John Schubert

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Jun 16, 1992, 3:54:55 PM6/16/92
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# > >I've heard of people getting skin cancer on their arms from letting them
# > >hang out open windows. On the other hand (sic) does the windshield
# > >protect you in any way against UV radiation?
# >
# > Just about anything protects you from UV. It's one of the things I
# > find most amusing about the cheap sunglasses that advertise "100% UV
# > protection." Just putting a piece of plastic between you and the sun
# > does the same thing without any special coatings or added features. A
# > windshield should work just as well.
# >
# > Happy hacking,
# >
# > jim frost
# > ji...@centerline.com
# Right. Glass stops almost 100% of UV, which is why you can't get a tan
# sitting in your living room or driving around with the windows rolled up.
# (IR gets through, which is why it gets so blinkin' hot...) I'm not sure
# how much UV plastic stops, but it's not quite as effective as glass...
#
So how come my left arm is tanner than my right? I drive with the windows up
and the A/C on because I've got a dark grey car....

Hugo Bueno

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Jun 20, 1992, 12:08:50 AM6/20/92
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ro...@fringe.rain.com (Dean Woodward) says:
>Right. Glass stops almost 100% of UV, which is why you can't get a tan
>sitting in your living room or driving around with the windows rolled up.
>(IR gets through, which is why it gets so blinkin' hot...) I'm not sure
>how much UV plastic stops, but it's not quite as effective as glass...

Don't know about you, but I've gotten some pretty good tans on my
left arm and legs from driving all day. This was driving with A/C
onand closed windows.
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