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The Education Master 1994 (4th Edition)
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EDUCATIONS_MASTER_4TH_EDITION.bin
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1991-05-20
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text/21/11
stay some distance away from
your tv for your health. A 13"
tv set requires the viewer to be
at least 40" away and a larger
set requires more distance. Kids
love to watch the cartoons up
real close, but that should be
discouraged.
* There are some other
radiations as well, but so far,
most scientists think these
other energies have a negligible
impact on health. Inside the
picture tube is quite a bit of
X-ray radiation, but most of it
is contained within the glass.
~
text/325/13
The ultraviolet that some people
worry about is very small.
* Laptop computers do not have
flyback coils, the source of the
ELF, but some do have a
transformer to step up voltage
for fluorescent backlighting.
This is probably much safer than
sitting too close to a
conventional monitor.
* The characters on a computer
screen seem quite similar to
those on a printed page, but
~
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