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Science and Nature Term Papers and Reports |
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Kevlar
583 Words - 3 Pages.... very satisfying. A reduction in weight meant that the fuel economy was better, and the tires were also much quieter. was the answer to the challenges of designing rubber hoses and belts for agricultural, industrial, and automotive equipment (DuPont).
49 is used in mainly body armor and making architectural structures stronger (Sci. & Inv. Enc., 1354). 49 is mainly made out of coal, corn, air, and water; making it rot and rust resistant. Compared to steel and concrete, 49's psi (pressure per square inch) is 525,000, steel's is 36,000, and concrete's is 3,000 (New Necessities). The blast suppression, or body armor, is strong enough to endure machine gun fire (up to . ....
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Forensic Science
1603 Words - 6 Pages.... in the
marketing of foods and drinks, the manufacture of medicines, or the use of
pesticides on crops. It can also determine whether drinking water meets legal
purity requirements.
The medical examiner is the most important individual in an
investigation of a crime involving a victim. It is the responsibility of the
medical examiner to visit the crime scene, conduct an autopsy (examination
of the body) in cases of death, examine the medical evidence and lab reports,
study the victims history, and put all the information together in a report to be
turned in to the district attorney.
Medical examiners are usually physicians specializing in forensic
pathol ....
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Acid Rain
1940 Words - 8 Pages.... create it. However because of the difficulty and cost of properly
disposing of these products they are often emitted into the atmosphere with
little or no treatment.
The term was first considered to be important about 20 years ago when
scientists in Sweden and Norway first believed that acidic rain may be causing
great ecological damage to the planet. The problem was that by the time that the
scientist found the problem it was already very large. Detecting an acid lake is
often quite difficult. A lake does not become acid over night. It happens over a
period of many years, some times decades. The changes are usually to gradual for
them to be noticed early.
At the ....
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Changing World
1035 Words - 4 Pages.... oxides into the atmosphere. Production of coal, oil, natural gas and nuclear power each expanded by 1 percent in 1995 (Brown, 16). Globally, the ten warmest years out of the last 130 have all occurred in the eighties and nineties (Brown, 15). These figures demonstrate that humanity is not effectively controlling and limiting its use of fossil fuels. As a result, acid rain falls upon the earth destroying what is left of the planet's forests and, an estimated 37 percent of the fish species that inhabit thelakes and streams of North America are either in jeopardy or extinct. A second indicator that displays humanity's misuse of technoscience is the global economy. Global econom ....
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Does Life Exist On Mars
381 Words - 2 Pages.... exist shows
that somewhere along the years of Human existent somebody must have really came
in contact with an alien otherwise the terms 'Alien , UFOS and Flying Sources'
would have never existed.
I however don't believe that living cells of any kind have ever existed in this
solar system apart from on earth. I do see the possibility that maybe other
solar systems is our solar system in history which is an interesting thought.
Just because NASA has found a single cell living creature in a meteorite doesn't
prove anything in my mind. Especially because of the fact that it has been on
earth for 12 years when over this time the cell could have attached itself to
the meteorite ....
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Atomic Bombs
593 Words - 3 Pages.... fission. The bomb releases energy of a million times greater than the equal weight of a chemical high-explosive such as TNT . During the World War 2 in 1945, the first Atomic Bomb blast on Hiroshima, Japan, obliterated three-fifth of the city within seconds and killed a total of 115,000 people in only a few minutes according to a local newspaper in Japan. Moreover, the second bomb being dropped at Nagasaki killed an average of 70,000 people. In these two blasts, entire families perished, leaving no one to report the death until four months from the catastrophe. This has made the Atomic Bomb the most powerful weapon ever invented in mankind.
Secondly, countries that p ....
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ALCOHOLISM
722 Words - 3 Pages.... affects virtually everyone, whether the individual is himself an alcoholic, is the family member of one, or has been the victim of an alcohol related crime. In spite of the dangers alcohol presents,it is still in countless social cirles. Alcohol penetraes all ages, educational, occupational, and socioeconomical boundaries.
Each year it is estimated that ten percent of all deaths are related to alcohol abuse. Am astonishing fifty percent of all major automobile accidents, and murders are associated with alcohol. On and on the statistics point to the enormous dangers of alcohol, yet it is a legalized drug.
As bleak as this problems seems to be on society a ....
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Life On Other Planets?
1748 Words - 7 Pages.... 3).
It is clear to present day scientists that the possibility of life
flourishing in outer space relies on favorable conditions or environments
within a given area in a solar system. There is even some present day proof
that life can flourish in some not so favorable environments as found with
the development of algae on many of Earth's deep sea thermal vents, as well
as bacteria that lives beneath the Earth's icy polar tundra's in the arctic
and Antarctic. George W. Wetherill even notes that “Even if a planet or
moon could not support life globally, each could contain a tiny niche where
life could thrive” (Science News, 328).
What are the most favorable cond ....
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