~e; EM in the news

[bc <human@electronetwork.org>]

[sometimes a whole article will do, sometimes it just adds
to the saturation of info and may not be worth it, so it is
a judgement call that is trying to be dealt with in more
optimal ways. also, with the flow of information, some days
there are more things than others to send on...]

a few URLS in the last week that may be of interest:



[1]-------------------------------------------------

By Alan Leo   April 5, 2002 (ABOUT mini-IR CAMERAS)

A new generation of tiny thermal cameras could save lives in
Afghan caves and on America's highways.

http://www.techreview.com/articles/wo_leo040502.asp

"Infrared‹also known as thermal‹cameras detect the heat
radiated from objects. Most modern thermal cameras rely on a
sensor called a microbolometer that absorbs heat from its
environment. A microprocessor converts the microbolometer's
measurements into a black-and-white picture, which the
cameras can transmit to either a remote viewer or an
attached display. Unlike night-vision goggles, which amplify
low levels of light, thermal cameras can function in
complete darkness. That makes them especially useful
indoors, underground and in occluded-vision situations, such
as a smoky fire."



[2]-------------------------------------------------

Why, Hello, Mr. Chips By Julia Scheeres

(implantable ID chips fast-tracked by FDA.US)

http://wired.com/news/technology/0,1282,51575,00.html

""We'll start the rollout with people who want it for
medical concerns and Generation Y people who want to get
chipped because they think it's cool," Silverman said."


[3]-------------------------------------------------

A Flexible Solar Panel for Clothes ABCNews.com  04/05/2002

http://www.techreview.com/offthewire/3001_542002_7.asp

"According to A. Paul Alivisatos, a chemistry professor and
lead researcher on the project, the experimental solar cells
use tiny rods of cadmium selenide, a material similar to
those used in computer chips.

The rods measure just 7 nanometers -- 7 billionths of a
meter -- wide and 60 nanometers long and are suspended in an
organic polymer, or plastic. The mixture is then sandwiched
between two electrodes, one of transparent plastic and the
other of flexible aluminum.

The experimental cell works just like other
commercially-available photovoltaic cell. When exposed to
sunlight, the "nanorods" of cadmium selenide material yields
an electron and a related "hole" or vacancy. The electrons
move through the rod to the aluminum electrode while the
hole moves toward the other electrode, creating "positive"
and "negative" terminals, just like a battery.

And in lab tests, a prototype solar cell about 200
nanometers thick -- one-thousandth the thickness of a human
hair -- can produce just over half the voltage of a common
flashlight battery."



[4]-------------------------------------------------

links to .PDF's on electromagnetism from
http://www.cryptome.org


(EM) Radiation Protection Manual (US Army Corp of Engineers)
http://www.usace.army.mil/inet/usace-docs/eng-manuals/em385-1-80/entire.pdf
1.9 megabyte .pdf file

Portable EMI-Protection Shelters  (re: TEMPEST-tech tents)
http://handle.dtic.mil/100.2/ADA358490
581 kilobyte .pdf file

[comments: EMI= electromagnetic interference. when US Pres.
Bush was recently staying in a hotel in China, it was re-
ported that their were tents being used for communications.
it was likely related to this purpose, which is to create a
space/place where em-communications and signals, private,
cannot be plucked out of 'thin air' and read by neighbors.
one thing, true or not, that seem to remember about this
technology and which the document seems to also indicate is
that it is in the characteristics of the fabric or the
plastic or whatever it is, that the signals that have a
certain wavelength are deterred from escaping or somehow
leave as indecipherable from the protective structure.]

Radiation Shielding of Concrete Office Bldgs
http://handle.dtic.mil/100.2/ADA382666
3.5 megabyte .pdf file

[comments, 2x have been unable to download this file yet
it may be with regard to two things, or one or the other.
one being EM exposure due to nuclear or EMP (pulse bomb)
effects, by shielding a building from exposure, if this
is possible, which it seems very likey it is. secondly
being communications security, like the previous URL,
so wireless wardrivers may not pluck info off the street
of the high-tech .com or .gov or .mil facility. and it
is that these are 'design guides' in a sense, for those
making such structures (architects) that it goes beyond
the scientific and technological, but also into culture.


[5] ---------------

also new this week, US-only, the limits for exposure to
radiation have been increased, possibly doubled, it is
uncertain as the article is not at hand. but it could be
viewed as significant, in that there is decision-making
regarding levels of radiation exposure, which might also
indicate it is being looked at more closely, regardless of
the nature of the decision to make it seem less potent.

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