Memory
.... tree is
briefly held by the sensory memory and quickly disappears unless you transfer it
to your short-term memory (Rhodes p. 130). The next level is called short-term
memory. The image or fact can be held as long as the brain is actively thinking
about it (Loftus p. 392). For example , if you look up a number in the phone
book and repeat it to yourself until you dial it , that is a form of short-term
memory. Short-term memory lasts roughly half a minute unless it is transferred
to long-term memory . Long-term memory is the last and final stage of memory .
It is so large and limitless it can hold nearly anything (Loftus p. 392). .....
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Newton's First Law Of Motion
.... is friction between the tires and the road.
The car now has inertia in uniform motion. Since there is friction, the car
cannot keep moving forever because friction is an unbalanced force acting upon
the tires.
What if there was not any friction? The car would keep going forever.
That is if there was not any wind or a hill or any unbalanced force acting upon
the car. This is rather weird just to think about. Because this usually would
not happen in our customary world today. You just would not see a car go on
forever.
An easy experiment to demonstrate this law is to take a glass jar and
put an index or a heavier .....
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Newton's Law Of Universal Gravitation
.... linear plane, one in which all forces act
in only one direction. Therefore when the apple fell it went straight towards
the center of the earth (accelerating at about 9.8 meters per second second).
Newton then figured that the same force that pulled the apple to Earth also
pulls the moon to the earth. But what force keeps the moon from flying into the
earth or the earth flying into the sun (Edwards 493)?
To better understand this, one other aspect must first be understood.
Galileo showed that all objects fall to the earth at the same rate (the classic
cannonball and feather proved this). But why? If a piano and a saxophone wer .....
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Newton's Method: A Computer Project
.... to choose
an initial value that is close to the root could result in finding a the wrong
root or wasting a lot of time doing multiple iterations while getting close to
the actual root.
On some occasions, the program cannot find a root to an initial guess
that is placed into the program. In some instances Mathmatica could not find
the root to the function, like if it is a parabola with its vertex is placed
right on the y axis with its roots an equal distance away in both directions.
In a case like this, the computer could not decide which root to work towards so
it gave an indeterminate answer.
Although Newton's Method does ha .....
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Nuclear Energy
.... are not like atoms that make up another element.
These (atoms) are not simple particles, their structure is very complexe.
They are, in fact, made up of smaller bits of matter called subatomic particles.
An atom has two parts. Those two parts are; 1)at the center is a nucleus, a
densely packed core composed of two kinds of paticles: protons and neutrons and
2)electrons. The charge in a nucleus of an atom is carried by a particle called
a proton, the number of protons in an atom's nucleus is calle the atomic number
of the atom. Atomic numbers are always whole numbers such as +92. Each atomic
number is always a whole numbe .....
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Nuclear Energy
.... the frictional
energy to be processed into electrical watts.
This usually causes heat or thermal energy, this must be removed by some
kind of a coolant. Most power plants use water or another type of liquid based
formula. these coolants are always base related, never acidic. Very few use
gas related coolants in there reactors, these are known as thermal reactor based
power plants. Another nuclear reactor type is a type that runs off of uranium
oxide, the uranium oxide is a gas form of the solid uranium. These fuels which
cause the radioactive particles usually are always highly radioactive themselves.
Because of this all th .....
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Nuclear Power
.... any outside assistance,
and the Uranium has "gone critical"(Martindale, 794-195). This chain reaction
is the basis for how nuclear power is made.
The amount of the energy that is given off in nuclear fission is astronomical.
To equal the amount of energy given off when splitting some uranium the size of
a golf ball, one would have to burn approximately twenty-five train cars full of
coal. Presently, the planet contains twenty-five times more nuclear fuel
compared to fossil fuel. On average, an atomic power plant can produce half a
million kilowatts of power. As a comparison, a hair dryer takes about one
kilowatt (Jenny, .....
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Flourescence In-situ Hybridisation And Its Advantages
.... for an extra chromosome 21. So because the test is much simpler,
quicker, and reduces the risks of miscarriages, flourescence in-situ
hybridisation is an incredible discovery in the field of genetics.
.....
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Nuclear Energy: Uranium Fission
.... All the world's electricity usage, 650GWe could therefore be
supplied by the uranium in sea water for 7 million years(Energy 25). This is a
only a theoretical number because it is not possible to get all of the uranium
out of our vast oceans. Also, it does not include the fact that in that many
years, half of the uranium will no longer exist due to radioactive decay. So,
at worst, we would get about 2 million years of power from it. Thorium is
another element than can be used in nuclear reactors. Thorium is approximately
four times more abundant than uranium. It is obvious that we are in no danger
of exhausting these sources .....
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Nuclear Power And Its Uses
.... steam. The steam can be used directly for energy. This energy is used in
transportation. Most military subs are now ran by nuclear energy. The most used
purpose of nuclear energy can also be used to generate electric power for
example in a commercial nuclear power plant. Another way to produce nuclear
energy is by gas-cooled reactors with either carbon dioxide or helium as the
coolant instead of water. This method is used mainly in commercial nuclear
plants in the United Kingdom and France due to the lack of freshwater. With
growing popularity nuclear energy will definitely of the future with new ways to
use this energy in a posi .....
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Resonance
.... a pure
tone.
We can use this knowledge of one fourth wavelength to create our own
demonstration. It does not only have to be done using wind, but can also be
demonstrated using tuning forks. If the frequency of the tuning forks is known,
then v=f(wavelength) can find you the length of your air column.
Using a tuning fork of frequency 512 c/s, and the speed of sound is
332+0.6T m/s, temperature being, 22 degrees, substitute into the formula.
Calculate 1/4 wavelength
V=f(wavelength)
wavelength=V/f
=345.2 (m/s) / 512 (c/s)
=0.674 m/c
1/4 wave. =0.674 (m/c) / 4
.....
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Nuclear Waste Disposal At Yucca Mountain: Right Or Wrong?
.... concern, but there are a greater amount of reasons
to further and eventually finish the Yucca Mountain Project. One is the desert
climate naturally occurring in the western United States. The weather is dry
and warm and their are very few natural disasters, such as earthquakes. Also,
this part of the nation has a lower water table than the rest of the country.
This reduces the risk of water contamination in case of a breach.
This is only one safety cushion that the proposed site provides. There
are several more. All of these factors add up to a relatively stable
environment. But will it be stable enough? If a permanent sit .....
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