... ions move through parabolic trajectories proportional to their "mass-to-charge ratios." The time period from the late 1930's to the early 1970's was a time of great achievement in the field of mass spectrometry. By the end of World War I, the work of Francis W. Aston and Arthur J. Dempster brought improved higher accuracy mass spectrometers into reality. Later, Alfred Neir ... collector. The other analyzer in use today, the quadrupole analyzer, was developed in the mid-1950s by Wolfgang Paul. This analyzer is capable of separating ions with an oscillating electrical field further increas...

• Word Count: 2140
• Approx Pages: 9
• Has Bibliography
• Grade Level: Undergraduate

... Patrol officers must learn how to operate police radios and learn priority codes, which give codes to certain offenses so communication is faster and efficient. Public telephones, televisions, and computer messaging have also become main tools for communication. Every officer must also develop observation. Officers do not have to learn selective perception, but it is important to perfect observation. ... the key elements of learning observation and perception. Officers should also pay mind to "attention getters". Perception and observation are essential in order to make a great patrol ...

• Word Count: 2495
• Approx Pages: 10
• Has Bibliography
• Grade Level: Undergraduate

... is the fundamental reality and only material causes are effective. The philosopher Daniel Dennett has defended a strong neo-Darwinian position, drawing from biology, probability theory, cognitive science, and computer simulations. Evolution, he asserts, is the product of a mindless, purposeless process. He vehemently rejects all forms of intelligent design, including Darwin's belief that the laws of evolution ... ."[xvi] Each domain has its own distinctive questions, rules, and criteria of judgment. Gould discusses various historical cases in which religious leaders took dogmatic stands o...

• Word Count: 7861
• Approx Pages: 31
• Has Bibliography
• Grade Level: Undergraduate

... scale that varies in life cycles or gender to gender. These problems lead to fallacious identifications. The modern method requires less human labor due to the advancement of technology and computer science, thus making the task automated within the programming system, which is less time consuming. By implementing the newly designed method, we are able to increase the accuracy of species ... better assist with species identification. Most DNA barcoding results in identification of species groups rather than actually species. With the findings of new genes that can be used for the field,...

• Word Count: 735
• Approx Pages: 3
• Has Bibliography
• Grade Level: Undergraduate

... and deCODE have speculated that biotechnology jobs in Iceland will increase because of the project. Again Hlodan disagrees, "In this Internet connected world scientists could work with this data an a computer from any location. There has been no influx of scientific research or pharmaceutical facilities to Iceland since the project began. However there are a few jobs available at deCODE. But those ... do 99% of those taking part in one project agree to take part in another." The deCODE imbroglio has almost single handedly rendered the ethics issue a primary focus in the field of populat...

• Word Count: 1476
• Approx Pages: 6
• Has Bibliography
• Grade Level: Undergraduate

... ? Science continues to evolve at a much higher rate than the beings that gave it birth. The transformation time from ape, to human far exceeds the time from an abbacus, to a computer. However, science, in the past, has always remained distant, it has allowed for advances in production, transportation, and even entertainment, but never in history has science be able to so ... risen in arms to block its future by spreading fear by misinterpretation of facts; However, genetic engineering is a safe and powerful tool that will yield unprecedented results, specifically in the field of medicine...

• Word Count: 873
• Approx Pages: 3
• Grade Level: Undergraduate