... around the world. The damage can be extensive; mostly due to the loss of time spent recovering the infected data. A computer virus in a system is one of the worst things that can happen to a computer user. Still, many specialists insist that it is possible to use the replication mechanism of for some useful and beneficial purposes. In this paper I will examine the question of why computer users consider to be a bad thing and why they reject the idea of having a computer virus serve a good purpose. I will also explore the military point of view with regard to . This paper is based in large part on a research paper by Vesselin Bontchev from the University of ...
... medium, which is its way of producing light. Ali Javan then created the first gas laser later in 1960. Three separate teams of American scientists operated the first semiconductor laser in 1962. Then in 1966, the American physicist Peter Sorokin built the first dye laser. To begin with, I will explain the definition of a laser: It is a device that produces a very narrow powerful beam of light. A laser light is a narrow beam of light, in which all the waves are traveling exactly at the same length and moving together as one. A laser light is made up of only one wavelength and it is a single pure color, while a normal light has many different wavelengths or colors. T ...
... on horse back. There were no cars, and there were no airplanes, only there own two legs, and a horses. Something needed to be done. It took way too long to get into contact with people, and it took the same amount of time to get a response. In 1886, a man by the name of Alexander Graham Bell developed an interesting object, that gave you the capability of talking live with one person, other then yourself. This object later became known as the well respected telephone. Although when Bell first invented the phone there were many kinks that needed to be worked out. And over time, after being constantly worked with and being revised the telephone was close to perfecti ...
... the disease. (6) The idea of EBV being connected to mono came about in 1958 by Burkitt. There were some cases in Africa of young children having tumors in their jaw and dying even when the tumor was removed. He later found out that the patients were coming from areas highly infested with mosquitoes, so they figured that the mosquitoes were related. The mosquitoes were carrying a virus in the herpes family, which was later called Epstein-Barr virus. This virus was later revealed to be linked with mono. (6) Anyone can get mono but it is most common in teens and young adults, mostly high school and college students. Children who are infected with EBV when they are ...
... scanning x-ray and computer system that makes detailed pictures of horizontal cross-sections of the body, or the part of the body that is x-rayed. A CT scan is a diagnostic test that combines the use of x-ray with computer technology. A series of x-beams from many different angles are used to get these cross-sectional images of the patient’s body. In a computer, these pictures are assembled into a 3-dimentianal picture that can display organs, tissues, bones, and any such thing. It can even show ducts, blood vessels and tumors. One of the advantages of CT is that it clearly shows soft tissue structures (such as brain), as well as dense tissue structure (such as ...
... This seemed like the most appropriate side to use as a saw. A small round twig, a centimeter thick, from a local deciduous tree was used as the wood subject. The exact species of the tree is unknown; however, it was a very hard wood and a light brown/tan color. Initially, medium pressure was used on the flake and it was moved in bi-directional strokes across the stick. After about thirty strokes, the use edge angle prohibited the flake from cutting further in to the stick. The cut was roughly three millimeters deep and three quarters millimeters wide. It could be determined that a tool, in this particular shape, could not be used as an effective ...
... The Spaceguard program is sponsored and run by NASA Ames Space Science Division: Asteroid and Comet Impact Hazard. Also under the direction of Dr. Tom Gehrels the University of Arizona has the Spacewatch program. NEOs can be either asteroid or comets. Ninety percent of the information that I came across discussed asteroids. Therefore, I will concentrate on asteroids alone. I'm not fully knowledgeable on the subject but I did learn a great deal. What are NEOs? The "Webster's New World Dictionary" states, "Any of the small planets between Mars and Jupiter". The "Funk and Wagnalls Encyclopedia from Infopedia" states, "One of the many small or minor planets ...
... tons of deicing salt is used each year in the U.S. and about 3 million in Canada. Salt is used to keep snow and ice from bonding to the pavement and to allow snowplows to remove. When salt is applied to ice and snow it creates a brine that has a lower freezing temperature than the surrounding ice or snow. Salt is the ideal deicing material because it is: •the least expensive deicer •easy to spread •easy to store and handle •readily available •non-toxic •harmless to skin and clothing Salt pollution is broken into two main groups. Water, which includes the effects on ground water, surface water and aquatic life and land. Most of the salt ...
... purchasing over the Internet has been made very easy compared to the traditional way of shopping. Ordinarily a consumer will take the kids and pile in the family car and head to the local shopping mall. Once they get there they will find what they are looking for only to be told by the rude, pushy sales person that it is out of stock. After they get pushed into something other than what they came for they will wait in a line similar to that of Space Mountain at Disney World. Finally they will head for home after spending about an average of 2.5 hours (Sparkman 24). On the other hand, shopping on the Internet is takes no time at all. The consumer would log on t ...
... therapy. Many people believe that genetic therapy is morally not right, but there are so many benefits for the world because of it. Some of scientist ideals of how to alter this new science to create the perfect human does in-fact sound crazy. But if genetic engineering was regulated to prevent such things the new science could bring wonders to many peoples lives. The first form of genetic engineering began with a man named Mendel, a monk in the late nineteenth century. He was the first to even formulate the concept of the gene from his experiments on pea plants. Since Mendel, other scientists have continued in agricultural engineering, a type of engineering t ...
