|
|
|
» Browse Science and Environment Term Papers
UFO Crash Near Roswell, NM
Number of Words: 1359 / Number of Pages: 5
... drove
Dee back home, he showed some of the material to her parents. They all
agreed the material was unlike anything they had ever seen. On July 6
Brazel drove into town with a few pieces of the wreck. He showed the
material to the Chaves County Sheriff George Wilcox. The sheriff called the
Roswell Army Air Field(AAF) and talked to Major Jesse Marcel, the
intelligence officer. After inspecting Brazel's material, Marcel reported
to his commanding officer Colonel William "Butch" Blanchard, who ordered
Marcel to get someone from the Counter Intelligence Corps and proceed with
Marcel to the ranch and col ...
|
|
Cellular Radio, Isdn Networks And Satellite Communications
Number of Words: 1695 / Number of Pages: 7
... at the same time, instead of having to use different networks for these services.
3. What is Satellite Communications?
This is the use of orbiting satellites to relay microwave transmissions from earth stations to the satellite an to re-transmit those signals back down to another earth station by means of microwave transmission.
Cellular Radio
At present there are two types of cellular radio systems in operation in Ireland. These are:
1. TACS
This system is an analogue system in which the voice is transmitted by radio from the telephone to the nearest base station in analogue form. Analogue s ...
|
|
Hurricane Andrew
Number of Words: 574 / Number of Pages: 3
... mid-latitude trough approached the area from the
northwest. Steering currents began to change. Andrew turned toward the northwest and
its forward speed decreased to about 8 kt. The hurricane struck a sparsely populated
section of the south-central Louisiana on the 26th. The landfall location is about 20 n mi
west-southwest of Morgan City.
Andrew dropped sufficient rain to cause local floods even though the hurricane
was relatively small and generally moved rather fast. Rainfall totals in excess of seven
inches were recorded in southeast Florida, Louisiana, and Mississippi. Rainfall amounts
near five ...
|
|
Two Inventions That Changed European History
Number of Words: 475 / Number of Pages: 2
... soil. This system led to problems, because dividing the land in half led to shortages in the production of food because only half of the field was being used. This system of agriculture needed some minor adjustments to increase the production of food without destroying the soil in the process. This new system came about around the year 800. Farmers began to use a new system, the three-field system, to farm their crops. The three field system used one large field like it’s earlier counterpart. The only change, was that the field was divided into three fields. Instead of only getting food from one half o ...
|
|
Cardiovascular Disease
Number of Words: 2198 / Number of Pages: 8
... you can reach a level of physical fitness comparable to an active person ten to twenty years younger. Regular exercise may also lower your cholesterol and blood pressure, and reduce the risk of diabetes.
Exercise increases the size of coronary arteries and reduce clogging due to atherosclerosis. Exercise also increases the efficiency of your blood's oxygen-carrying capacity and your muscles' uptake of oxygen.
Exercise has been linked to increased levels of high density lipoprotein (good) cholesterol and decreases low-density lipoprotein (bad) cholesterol and triglyceride levels. After ex ...
|
|
Kangaroos -
Number of Words: 1652 / Number of Pages: 7
... can eat several different types of sea plants. They can do this because they have a higher tolerance to salt than normal kangaroos.
Kangaroos that live in forests have adapted to this climate as well. Their feet are wide to allow them to climb trees. This allows them to eat leaves off of the trees. They also do not have claws as long as other species. There is usually a larger supply of fresh water in the forests.
FAMILY STRUCTURE
A group of kangaroos living together is called a mob. The dominant male of the mob is called the boomer. The females are called flyers, and the young are call ...
|
|
Bacteria And Their Effects
Number of Words: 291 / Number of Pages: 2
... called nitrogen fixation.Bacteria are good
for recycling because they feed on dying material and convert it back into
basic substances.Without decomposition the food chain would cease.Bacteria
also helps in the breakdown on rocks which influences the movement of key
elements,such as,sulfur,iron,phosphorus,and carbon,around the
world.Bacteria are the main digesters of cellulose within cows and other
animals.Bacteria are used in the making of dairy products.Without bacteria
the dairy industry would not exist.Bacteria are also helpful in sewage
treatment.These certain bacterias convert the organic ma ...
|
|
Is Medical Testing On Animals Ethical
Number of Words: 439 / Number of Pages: 2
... experimentations. The other
remaining misfortunate animals come from places a little closer to you and me. Some of them come from animal shelters, some from the “free to a good home” ads in the newspaper, or, even worse, some have been stolen directly from their own yard. Imagine your pet being crammed into a cage with ten other animals waiting to die in these cruel and heartless experiments.
The current system of drug testing places consumers in a dangerous predicament. For example, some drugs passed safe in animal experiments but proved tragic consequences in humans. Conversely ...
|
|
Skylab
Number of Words: 444 / Number of Pages: 2
... 10 days while NASA
engineers developed procedures and trained the crew to make the workshop
habitable. At the same time, engineers "rolled" Skylab to lower the temperature
of the workshop.
Skylab's 2nd manned mission - May 25th to June 22nd
Astronauts;
Charles Conrad, Jr.
Paul J. Weitz
Joseph P. Kerwin
The crew meats with Skylab on the fifth orbit. After making many repairs,
including deployment of parasol sunshade which cooled the inside temperatures to
75 degrees F, by June 4 the workshop was in full operation. In orbit the crew
conducted solar Earth resources experiment ...
|
|
Effects Of Smoking 2
Number of Words: 385 / Number of Pages: 2
... being a morning person, or liking to go to the movies. Smoking becomes a part of who and what you are, An addict. It amazes me the number of people who smoke cigarettes who would never smoke a "marijuana" cigarette. They say "Oh no, that’s drugs" or "I’m not a dope fiend". Sorry pal tobacco is a drug and if you're a smoker, you are also a drug addict. The sooner you accept it, the sooner you will be able to get well again and kick the habit.
Smoking, like any addiction, especially addictions that involve chemicals, is a sickness. Fortunately it is a sickness that can be cured. There is help available. ...
|
|
|
