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» Browse Science and Environment Term Papers
Computer Education
Number of Words: 271 / Number of Pages: 1
... in the middle of the 1950s with an organized body of knowledge. Also Japanese the teaching of computer science has been developed in the same period. During 1955 to 1959, some universities developed their own computers. They organized short courses.
Computer technology comes from the U.S. to Japan. Usually a technology is developed in the U.S.. After that, it comes to Japan so Japanese is late at all and most manuals are written in English so it is easy to lean computer for people who speak English; however, most Japanese people who live in Japan cannot understand English so they have to translate ...
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Nuclear Weapons
Number of Words: 913 / Number of Pages: 4
... was a convention held by
the United States and the Soviet Union to limit the numbers in nuclear weapons.
In 1982, the United States and the Soviet Union began the Strategic Arms
Reduction Talks(START). Unlike the SALT talks, these were aimed at the number
of nuclear weapons each country could obtain. Then there was another treaty
signed in 1987 which was called the Intermediate Range Nuclear Forces(INF).
This treaty called for the dismantling of ground-launched nuclear missiles.
A major obstacle to controlling nuclear weapons has been a lack of trust
between the two principal powers; the Un ...
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Insulation
Number of Words: 966 / Number of Pages: 4
... which material will keep them warmest. The experiment was chosen to see
which clothing insulator retains the most heat. "Insulation is material that
protects against heat, cold, electricity, or sound." (Science Encyclopedia,
1984). In this case the insulation will be protecting against a cold temperature.
The hypothesis is if denim, cotton T-shirt material, wool fabric,
polyester fabric, thermal underwear, and a Ziplock bag with out insulating
material are tested to see which one retains the most heat, then wool fabric
will retain the most heat because it holds an important place in today's t ...
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Mammals
Number of Words: 646 / Number of Pages: 3
... animal’s
natural surroundings. In others there is great contrast with the natural
surroundings to favorvisual signals that provide information about
theidentity of a species, and about the gender, age, orsocial status of an
individual. The skin also functions as a sensory and excretory organ and
contains specialized glands. Mammary glands, which are present in
fully developed form in all adult female mammals.
Aquatic mammals, such as whales, dolphins, and sea cows, have no
sweatglands. Sweat glands are usually located at the base of hairs,
except those in regions of skin bordering mucous mem ...
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Anti-Matter
Number of Words: 1226 / Number of Pages: 5
... that react so destructively, and their arrangement makes no
difference.
Scientists at CERN in Geneva are working on a device called the
LEAR (low energy anti-proton ring) in an attempt to slow the velocity of
the anti-protons to a billionth of their normal speeds. The slowing of
the anti-protons and positrons, which normally travel at a velocity of
that near the speed of light, is neccesary so that they have a chance of
meeting and combining into anti-hydrogen.1
The problems with research in the field of anti-matter is that when
the anti-matter elements touch matter e ...
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Magnesium, Beryllium, And Calcium
Number of Words: 441 / Number of Pages: 2
... the twentieth century. Calcium is a metallic element, which is fifth in abundance in the Earth’s crust. It is essential for forming leaves, bones, shells, and Portland Cement. Calcium occurs in many highly useful compounds such as marble, limestone, and chalk.
Plants and animals must have calcium to live. A plant cannot grow without a good supply of calcium. A lack of calcium prevents bones from developing properly. Calcium is the major component of teeth and bones. Calcium must be present for blood to clot. It also helps the nervous system, and it is necessary for muscle contraction. A ...
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Dna 3
Number of Words: 3302 / Number of Pages: 13
... helix. The DNA helix is then repeatedly coiled to allow more of it to fit into a compact space. This helix replicates and passes on its information to the body's cells.
In humans, all the DNA is packaged into 46 separate molecules called "chromosomes." The chromosomes each contain thousands of genes, with each gene specifying how to make a particular protein necessary for cellular function. Scientists have long thought that the key to understanding human life lies in knowing the entire sequence of human DNA. Let's take a look at some of the things that people are able to do with or to DNA, as well ...
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Cloud Formations
Number of Words: 510 / Number of Pages: 2
... balls or flakes. The cirrocumulus clouds sometimes form a pattern of a buttermilk sky. The cirrostratus clouds sometimes form tangled webs or thin whitish sheets. A large ring or halo is sometimes seen around the sun or moon when the cirrostratus covers the sky.
The middle layer of clouds range in altitude from 6,500 to 23,000 feet. The altocumulus, altostratus, and nimbostratus clouds are found in the middle division. The altocumulus clouds are more rounded and puffier than the cirrocumulus clouds. When people stare at the altocumulus clouds, they usually see a shape of an animal, usually an el ...
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Venomous Creatures Of The West Pacific
Number of Words: 5484 / Number of Pages: 20
... vascular-system with tube feet. Echinoderms are radially symmetrical, lack specialized ecretory organs, and reproduce sexually. Echinoderms have the ability to regenerate lost or injured body parts.
Starfish:
Starfishes are free-living echinoderms that have a flat, star-shaped or pentagonal body, usually with a continuous disc that has five or more ray-like extensions called arms. Tube feet are located in an open furrow along the underside of the arms. These arms contain the digestive glands and genital organs. Located on the upper surface are many blunt, calcarous spines. The stomach is lar ...
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Ecstasy The Hug Drug
Number of Words: 827 / Number of Pages: 4
... of Prozac (anti-depressant drug) and fenfluramine.
MDMA is usually taken orally in the form of pills synthesized by independent labs. They come in different colors, shapes, and sizes. The designer drug may also be taken in the form of a powder and injected into the blood stream for a quicker " high". The actual potency of the pills is determined by the size. They range from 50mg to 300mg depending on where it is made. Usually ecstasy is combined with smack, cocaine, heroin, or LSD as a way of coping with some of its undesirable effects.
Although drugs are very expensive to purchase, they are ex ...
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