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Science Online Essays


Effects Of Technology
Number of words: 661 | Number of pages: 3

... but most of the time, it is not. Although the Internet is a relatively new technology, television has been around for about fifty years. There are many problems with television though, mainly with the content of the shows. Many of the shows on television portray violence, drugs, sexual activity, and profanity. People who watch these shows see what the actors and actresses are doing and then feel it is all right for them to do the same things. If a kid is watching a show were one of the actors or actresses use profanity, they will feel it is all right for them to use the same language. When television first came on the market about fifty years ago, families had one television at ...

The Beginning Of The Universe
Number of words: 1285 | Number of pages: 5

... was no beginning in the past, nor will there be change in the future. This model assumes the perfect cosmological principle. This principle says that the universe is the same everywhere on the large scale, at all times.2 It maintains the same average density of matter forever. There are observational evidences found that can prove the Big Bang model is more reasonable than the Steady State model. First, the redshifts of distant galaxies. Redshift is a Doppler effect which states that if a galaxy is moving away, the spectral line of that galaxy observed will have a shift to the red end. The faster the galaxy moves, the more shift it has. If the galaxy is moving closer, the spect ...

Acid Rain
Number of words: 1273 | Number of pages: 5

... NO DEFENSE Areas in Ontario mainly southern regions that are near the Great Lakes, such substances as limestone or other known antacids can neutralize acids entering the body of water thereby protecting it. However, large areas of Ontario that are near the Pre-Cambrian Shield, with quartzite or granite based geology and little top soil, there is not enough buffering capacity to neutralize even small amounts of acid falling on the soil and the lakes. Therefore over time, the basic environment shifts from an alkaline to a acidic one. This is why many lakes in the Muskoka, Haliburton, Algonquin, Parry Sound and Manitoulin districts could lose their fisheries if sulphur emissions ...

Effect On Pot
Number of words: 1467 | Number of pages: 6

... atrophy in the brain at all. Furthermore, it should be noted that Heath's work was sharply criticized for avoiding safeguards of bias and reporting "changes" that occur normally in the mammalian brain. Wu et al. found a correlation between cannabis use and low sperm counts in human males. This is misleading because a decrease in sperm count has not been shown to have a negative effect on fertility and because the sperm count returns to normal after cannabis use has stopped.. Another claim made was that cannabis causes chromosome breakage. The primary source for this are studies that were conducted by Dr. Gabriel Nahas in the early 1980s. Nahas observed abnormalities in som ...

Should The Harris Superquarry Go Ahead?
Number of words: 2034 | Number of pages: 8

... indefinitely as Norway and Spain are looking at developing their own. If it is to go ahead then an early start will give Harris a stronger position in the market. 2 INTRODUCTION This report examines the controversy and key issues surrounding the superquarry at Rodel, Lingerbay on the southern coast of the Isle of Harris (Figure 1) and attempts to find an acceptable solution. The quarry will hollow out the heart of the mountain but leave enough of a shell to leave the skyline largely unaffected. The whole question of whether or not it should go ahead or not is the subject of the current public enquiry in Stornaway. A decision must be made soon. The market for aggregates is l ...

Linux 2
Number of words: 6064 | Number of pages: 23

... system called MULTICS. Both UNIX and MULTICS were developed decades ago for very large computers; only now, decades later are personal computers finally powerful enough to tackle these multitasking, multi-user systems with advanced features. Getting back to the crux of our first fact, LINUX looks like UNIX. LINUX is not officially UNIX simply because it was not written by the same programmers as was the original UNIX system. However, LINUX runs UNIX programs and shares the UNIX command set. LINUX is, for all general intents and purposes, a full-featured UNIX-type operating system. Where did LINUX come from? UNIX is one of the most popular operating systems worldwide b ...

Egyptians
Number of words: 1583 | Number of pages: 6

... us to visit, the answer, "our earth is the only planet with human beings," still seems to be legitimate and convincing. But that is a very narrow-minded way to look at things. The idea that life can flourish only under terrestrial conditions has been made obsolete by research. It is a mistake to believe that life cannot exist without water and oxygen. Even on our own earth there are forms of life that need no oxygen. They are called anaerobic bacteria. A given amount of oxygen acts like poison on them. Why should there not be higher forms of life that do not need oxygen?par We are still convinced that our earth is the center of everything, although it has been proved that the ear ...

Nutrition Vs. Sport Performance
Number of words: 1259 | Number of pages: 5

... 30% fats, and 30% protein that the entire day’s meals should be divided into. The total calorie intake must increase for active persons from 2200 to 2200 plus the total number used while exercising. This will ensure replenishment of the body’s system. With the wide variety of athletic competitions, the specific meal a competitor may need to eat to benefit themselves differs widely, as do the events. The last meal or two are extremely important in both their time of consumption and content. It is these two factors that can cause a person to make or break their day just by their choices. Experience plays a large role since one must attempt many different pre-competit ...

Polymers
Number of words: 397 | Number of pages: 2

... and the Pontiac Fiero. New are being created with more strength and flexibility by combing two chemically different and producing a block copolymer. Combinations of block co and composites and intended for use in booster rockets and in materials of Earth-orbiting installations. Most common are usually solid, but a new class of is being introduced in a liquid crystal state. Although these still have the physical characteristics of liquid, they are structured more like solids. Many liquid crystals are transparent at one temperature and colored at another temperature. This makes them suitable for use in liquid crystal displays, such as in digital watches, hand-held calculators, ...

Environmental Isuues
Number of words: 1272 | Number of pages: 5

... so widely used and are beginning to become a contaminant in the environment. When used so frequently, antibiotics are found in the sewers, septic tanks, and even receiving waters. With antibiotics being so abundant in these places, the microbes here are now becoming resistant. With all of the sterilization and sanitation precautions, we would not expect to come in contact with these microbes. Reality is, we do. We come in contact with these microbes and sometimes become sick. Being sick means another trip to the doctor; only this time, the antibiotics that the doctor prescribes won’t work. This is due to the fact that the microbes that caused the sickness are resistant to the ...

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