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Do You Neglect The Power Of Your Mind?
James Allen, who wrote the masterpiece, As a Man Thinketh, talks about the vital power of the mind in creating success. "All that a man achieves and all that he fails to achieve is the direct results of his own thoughts. In a justly ordered...
General Morphological Analysis: A general method for non-quantified modelling
Fritz Zwicky pioneered the development of morphological analysis (MA) as a method
for investigating the totality of relationships contained in multi-dimensional, usually non-
quantifiable problem complexes. During the past two decades, MA has...
How the Meter Came To Be
One can know where one is in the world by the systems of
measurement that specific place uses. There is the English
system used by the United States, which uses pounds and feet for
measurement, and then there is the metric system which is...
Psychic Discoveries Behind the Iron Curtain
We can ask the reader to see if the T-square of the Masons which Churchward details has a 50,000 year history, which we have dealt with, has any application in this report you might remember from Psychic Discoveries Behind The Iron Curtain ...
Scientists Declaration about The Holy Quran and Islam-Professor Emeritus
Dr. Moore was a former President of the Canadian Association of Anatomists, and of the American Association of Clinical Anatomists. He was honoured by the Canadian Association of Anatomists with the prestigious J.C.B. Grant Award and in 1994 he...
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Using a Night Vision Device
It's difficult to see in the dark. Unless there's some light
peeking in through the window or from under a door, our vision
is compromised. If we wait a little while, our night vision
kicks in, allowing us to see somewhat better. It's not enough
that we can read in the dark, but it should be enough to keep us
from stumbling into furniture or tripping over the carpet.
Sometimes though, our human night vision isn't enough and we
need a little help.
That's where technology kicks in. Thanks to science we can use
night vision to do all sorts of things. With the proper
equipment we can hunt, take pictures or even fight wars in the
dark. We can also perform surveillance and search and rescue
missions.
Here's how it works: Your night vision product will take
existing light and amplify it through an objective lens, which
then focuses on an image intensifier. A photocathode located
inside the intensifier converts the photon energy into
electrons. The electrons in turn strike a phosphor screen
creating a viewable image. In reality it looks like
you're
watching television on a green screen.
Atmospheric conditions can affect night vision. For instance, if
it's cloudy, foggy, or overcast, night vision can be
compromised. The clearer the night, the farther one will be able
to see with night vision technology. It should also be noted
that night vision shouldn't be magnified, as light is lost
during the magnification process making it more difficult to see.
Night vision devices include: - Cameras - Binoculars - Scopes
for firearms - Goggles
If you think that using a night vision device on a frequent
basis might be harmful, you couldn't be more wrong. Night vision
products are no more harmful than a television or movie screen.
It doesn't emit radiation or other harmful rays and there's no
reason for it to cause blindness.
About the author:
James Hunt has spent 15 years as a professional writer and
researcher covering stories that cover a whole spectrum of
interest. Read more at www.night-vision-cent
ral.info
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| International weekly science journal, published by the American Association for the Advancement of Science (AAAS). |
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| Science/AAAS | Table of Contents: 1 December 2006; 314 (5804) |
| This Week in Science: Editor summaries of this week's papers. Science 1 December 2006: 1349. ... 2006 American Association for the Advancement of Science. ... |
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| Monthly magazine about current science and technology. |
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