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Papers on Science and Nature
Nuclear Strikes
Number of words: 2401 | Number of pages: 9.... As a matter of fact,
the Russians say someone stole a bomb simulator, which will explode and make
mushroom cloud but has no nuclear component.(Wilkie) People know that despite
efforts to keep control on the old Soviet stockpile and waste, terrorists are
getting the plutonium and uranium needed to make nuclear weapons to kill masses
of people. This is kind of the history of the nuclear & atomic bomb: (all from
Williams) The first atomic bomb was thought up by Albert
Einstein in the late 30's. In 1942 Enrico Fermi brought about first nuclear
reaction with isotope Uranium 235. From this the Manhattan Project was brought
abo .....
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Aromatherapy
Number of words: 884 | Number of pages: 4.... for thousands of years in the eastern world.
A lot of interest in stems from its use as an 'alternative medicine' or even a 'complementary medicine'. It is certainly true that before pharmaceutical companies brought a vast array of modern drugs to the market, people had to make do with many 'home remedies' - often herbal remedies or extracts of plants. Flowers, buds, roots, bark, leaves etc. all played a part in the treatment of disease and sickness. In this mix of treatments essential oils. Essential oils are pure, concentrated plant extracts obtained specifically for their fragrance and therapeutic value. The chemical compositi .....
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Urban Heat Islands
Number of words: 524 | Number of pages: 2.... release of heat tends to keep city
temperatures higher than those of the unpaved faster cooling areas.
On clear, still nights when the heat island is pronounced, a small thermal low-
pressure area forms over the city. Sometimes a light breeze, called a country
breeze which blows from the countryside into the city. If there are major
industrial areas along the city's outskirts, pollutants are carried into the
heart of town, where they tend to concentrate.
At night, the extra warmth of the city occasionally produces a shallow unstable
layer near the surface. Pollutants emitted from low-level sources, such as home
heating uni .....
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Wired Hands - A Brief Look At Robotics
Number of words: 1193 | Number of pages: 5.... they're flexible.
By altering its programming you can instruct a robot to take on different
tasks. This is largely what sets robots apart from other machines; try as
you might you can't make your washing machine do the dishes. Although some
critics complain that robots are stealing much-needed jobs away from people,
so far they've been given only the dreariest, dirtiest, most soul-
destroying work.
The word robot is Slav in origin and is related to the words for work and
worker. Robots first appeared in a play, Rossum's Universal Robots,
written in 1920 by the Czech playwright, Karel Capek. The play tells of an
engineer who d .....
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The Element Cesium
Number of words: 452 | Number of pages: 2.... reacts so violently with organic compounds, it is considered the most reactive of Alkali metals. There are four principle compounds that make up Cesium’s structure: Cesium Chloride, Cesium Fluoride, Cesium Carbonate, and Cesium Sulfate. The most important compound is Chloride, which is used as a constituent of getter mixtures of vacuum tubes. Cesium is identified qualitatively by it’s blue flame. When determining quantitative amount of Cesium, the fact that Cesium forms an extremely insoluble alum is a major factor.
Cesium is not very abundant on in the earth’s crust- only around seven parts per million . This does, howeve .....
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The Atom
Number of words: 1577 | Number of pages: 6.... was much more massive
remainder that was positively charged, Thomson went on in the next decade to
develop a model of the atom that came to be called the "plum pudding" model.
The Thomson atom, "a number of negatively electrified corpuscles enclosed in a
sphere of uniform positive electrification" like raisins in a pudding, was a
hybrid: particulate electrons and diffuse remainder. It served the useful
purpose of demonstrating mathematically that electrons could be arranged in a
stable configurations within an atom and that the mathematically stable
arrangements could account for the similarities and regularities among chemical .....
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Breast Implants
Number of words: 771 | Number of pages: 3.... all of the following. If fabrication of the device involves curing of polymeric components by chemical crosslinking, then data establishing should be provided. This may be done by a various methods, for example: Measurement of Young’s modulus at low strain, as this is approximately proportional to crosslink density. Measurement of equilibrium swelling of the polymeric component by a good solvent. Determination of the amount of unreached crosslinker from its concentration in the total extractable (ODE documents 6).
Pharmacokinetic or biodegradation studies of all materials contained in the finished sterilized devi .....
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Light
Number of words: 815 | Number of pages: 3.... appears to travel more slowly.
¨ This "slowing down" is accounted for by the index of refraction of the matter.
's properties can at first seem confusing and inconsistent because of
the unique nature of light: light has the properties of both a wave and a
particle. In some situations, light's behavior is more easily explained by
thinking of light as a particle. In other situations, its behavior can only be
explained if light is thought of as a wave. This duality of light between a
particle and a wave is very difficult if not impossible to visualize. Instead
it is much easier to see light demonstrate its properties in speci .....
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Cloning And Its Impact
Number of words: 1028 | Number of pages: 4.... livestock traits; however, this technique is not efficient because only five percent of the offspring express these “super” traits that would guarntee a more productive industry. Scientists can easily genetically alter adult cells; therefore, cloning from an adult cell would make it easier to alter the genetic material. The goal of transgenic livestock1 is to produce livestock with ideal characteristics for the agricultural industry and to be able to manufacture biological products such as proteins for humans.
Farmers are attempting to produce transgenic livestock already, but not efficiently, due to the minimal ability .....
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The Dangers Of Nuclear "Progress"
Number of words: 610 | Number of pages: 3.... and that all nuclear weapons be destroyed. However, the Soviet
Union feared that the United States would always have a military advantage
if they gave up their plans for building a nuclear device and, therefore,
rejected the proposal.
I think that the refusal of the Soviet Union was a big mistake on
their part. Not only did they put the safety of the U.S.S.R on the line,
but of the whole world, as well. By rejecting that proposal, other
countries would soon follow America's example, producing nuclear weapons of
their own. By 1952, the Soviet Union and Great Britain had produced and
exploded their first nuclear we .....
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