Static, spots and bubbles - trivial info

[hthomp@xxxxxxxxx (Thompson, Harriet)]

Two pieces of "info" to add to the discussion:

The static electricity I've seen on roll film appears as little black
stars, not holes or spots.  The first time I came across this was on my
wedding reception photos taken in early Winter (Iowa) in a room with a
plush carpet.  They were informal shots and considering the occasion, the
static gave us each (pardon the pun) a certain "star-like" quality.

In science labs where agar or polymer gels are spread onto glass, it is
important that the gel not contain bubbles prior to hardening.  One way
used to insure this is to attach a vacuum line to the flask while it stirs.
The point is not to create a airless solution, but to lower the potential
for bubbles.  This method is not readily transferable to non-science
settings so I don't expect the info to be of much use, but I throw it out
there anyway.

Harriet

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Harriet C.W. Thompson, M.S.   Louisiana State Univ. Medical Center
New Orleans, Louisiana        Microbiology/Immunology/Parasitology
<hthomp@xxxxxxxxx>            <http://www.lsumc.edu/campus/micr/>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


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