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Gold And Its Uses.

... the flow of charged particles in a current, metals that are conductive allow this current to flow unimpeded. "Gold is able to convey even a tiny electrical current in temperatures varying from -55° to +200° centigrade." (Gold Institute) Gold is the most ductile of all metals, allowing it to be drawn out into tiny wires or threads without breaking. Consequently, a single ounce of gold can be drawn into a wire five miles long. Gold's malleability is also unparalleled. It can be shaped or extended into extraordinarily thin sheets. For example ...

Number of words: 2573 | Number of pages: 10

The Landsats Satellites

... was successful and had improved sensor and communications capabilities. In January 1983, the operations of the Landsat Satellite system were transferred to the National Oceanic and Atmospheric Administration (NOAA). The EROS Data Center (EDC) has managed the Landsat data archive for more then two decades. It provides an impressive collection of information about the Earth’s land surface. The SPOT satellites carry two High-Resolution Visible (HRV) sensors capturing visible and near-infrared radiance data with multispectral and pa ...

Number of words: 1099 | Number of pages: 4

Crash Course In Density

... clog, so it was apparent that the left tank was out of fuel. Quickly, the pilots decided that getting to Edmonton was out of the question. The nearest large airport was at Winnipeg, so they radioed ahead and changed their course. In a few minutes, all four of the fuel pumps had failed. The worst possible news, they were out of fuel. In a few more minutes the engines stopped running, and all of the high tech instruments became useless. They realized that they could not even make it to Winnipeg. Their only chance was an abandoned to a ...

Number of words: 419 | Number of pages: 2

How Technology Effects Modern America

... for high school dropouts, by a sixth for high school graduates, and by about 7% for those with some college education. Only the wages of college graduates are up. Of the fastest growing technical jobs, software engineering tops the list. Carnegie Mellon University reports, “recruitment of it’s software engineering students is up this year by over 20%.” All engineering jobs are paying well, proving that highly skilled labor is what employers want! “There is clear evidence that the supply of workers in the [unskilled labor] cate ...

Number of words: 1229 | Number of pages: 5

Determining The Ratio Of Circumference To Diameter Of A Circle

... had the measurements I layed them out in a table. The objects that I measured were a small flask, a large flask, a tray from a scale, a roll of tape, a roll of paper towels, and a spraycan. By dividing the circumference of the circle by the diameter I was able to calculate the experimental ratio, and I knew that the accepted ratio was pi. Then I put both ratios in the chart. By subtracting the accepted ratio from the experimental you find the error. Error is the deviation of the experimental ratio from the accepted ratio. After I had the err ...

Number of words: 501 | Number of pages: 2

Air Bag Safety For The Prevention Of Injury And Death

... is by far the easiest way to prevent injury and death, and should be done anyhow because it is a federal law to do so. In addition to seat belts, motor vehicles are equipped with air bags, an automatic form of protection designed to reduce the risk of injury. In the past decade, air bags have saved the lives of close to 3,000 people. The National Highway Traffic Safety Administration (NHTSA) conducted a study of real-world motor vehicle crashes and were able to conclude that the combination of seat belts and air bags is 75% effective in preven ...

Number of words: 921 | Number of pages: 4

Ebola

... been able to find the right explanations. Prevention of a world wide outbreak lies within the education of what the virus is capable of doing, how victims can be properly treated , and by performing prompt action to isolate the virus before it has dispersed. The virus is a member of a family of RNA viruses know as filoviruses. Marburg virus and four viruses: Zaire, Sudan, Reston and Tai are the five different viruses that have been known to cause disease in humans, while Reston only causes disease within monkeys. Filoviruses, arenaviruse ...

Number of words: 1060 | Number of pages: 4

UFOs Exist

... that these mysterious vehicles do, in fact, exist. What are UFOs? A UFO is an unidentified light or object in the air that has no obvious explanation. The expression unidentified flying object ". . . is thought to have origionated with Air Forse Captian Edward Ruppelt . . ."(Ritche 220). This was introduced to replace the term flying saucer. UFO sightings first started in the late 1800s, but there weren't that many until the 1940s. In the 1940s UFO sightings were being told all over the world. Since the 1940s UFOs are seen every day ...

Number of words: 1801 | Number of pages: 7

Electrical Energy

... decreases, at the same time the voltage decreases. As a result the rate at which the capacitor is discharged, which is the current, is decreased. The outcome of this is that the capacitor will be completely discharged meaning that both the current and voltage will equal zero. At this time all the energy stored in the circuit will have been transferred to thermal energy at the resistor. A heater uses electrical power. The power dissipated in a resistor is in return proportional to the resistance and the square of the current that passes ...

Number of words: 231 | Number of pages: 1

Hard Water

... minerals that can be found in it, could change the way we live our lives. The majority of the population seems very reluctant about the knowledge of where the water we use actually originated before it entered our faucets. When understanding the fundamentals of water and it’s minerals, it is crucial to develop a better understanding of the whole process of water and how it is made accessible to us every day of our lives. According to the Water Quality Association, approximately “15percent of the Canadian population relies on in ...

Number of words: 2266 | Number of pages: 9

Decomposition

... of KClO4 in a test tube. Record the accurate weight below. Product Weight Before Weight After Mass of Test tube + KClO4 41.5g 39.8g Mass of Test tube 37.5g 37.5 Mass of KClO4 4.0g 2.3g 2. Set up the apparatus shown below. 3. Gently heat the test tube containing the potassium perchlorate. Gas should begin to collect in the collection bottle. Record all observation. 4. Once the reaction is complete, no more gas give off, allow the test tube to cool. While the test tube is cooling test the gas in the collection bottle with glowing spli ...

Number of words: 253 | Number of pages: 1

Steps Towards An Ecosociety: Dealing With Air Pollution

... pollution is also perhaps one of the more politically sensitive problems because of the numerous economic, environmental and health implications involved. A key step in the policy-making process is to define the problem to be remedied. If we can not understand the problem, how are we to know what needs to be fixed. Unfortunately, implementing policies on air pollution has the politically undesirable effect of having extensive economic consequences on all sectors of the economy. Therefore, those policies which lead to the developmen ...

Number of words: 3435 | Number of pages: 13

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