... factor to both the home and business user is the handling of envelopes, cards, and other non-regular media where laser printers have the edge over inkjets. Most Laser printers come with network connectivity ports that can be connected to a LAN. A network connecting computers, word processors and other ... minute) • Connectivity to network • Pages printed /month from a cartridge of ink or toner The following table compares these factors. onsidering Factors Laser Printer Inkjet Printer Print Quality High Low - Medium Print Speed 16 pages/minute 5 pages/minute Printer Connectivity to a ...

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• Has Bibliography
• Grade Level: High School

... glasses or contact lenses are uncomfortable and inconvenient while sailing. In the recent years medical technology has offered a great alternative for people like him, laser surgery. It uses a florescent beam to shave the cornea into a shape that better focuses light. Using local anesthesia the surgeon shaves a thin ... drive without glasses the next day. The surgery is not without risks but the most important, blindness, is virtually nonexistent. More than 1 million laser surgeries have been performed worldwide and none of them has resulted in blindness. The possibility of serious compl...

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• Grade Level: High School

... . While they are all dedicated to the same task, reading a bar code, each scanner type offers both advantages and disadvantages, and none is clearly superior in all cases. Hand held laser scanners are the most expensive of the scanning devices, but offer the largest depth of field making them an appropriate choice for a wide variety of non-contact applications. Hand held ... laser scanners use a laser diode to create a scan line by projecting a beam of energy off a rotating prism or oscillating mirror. The beam is reflected out the scanner window onto the bar code, where ... of light is...

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• Grade Level: High School

... decrease. To get the resistance without using Ohm's law you can use the following equation; R = x L A R = Resistance (Ω) = Resistivity (Ω m) L = Length (m) A = Cross Sectional Area (m) This equation allows us to predict the actual resistances of our wires successfully (to a degree) .28 (A = Πr = 6.12x10-8 m) ... 0.6 4.9 x 10-8 x 0.6 6.12 x 10-8 4.77 0.7 4.9 x 10-8 x 0.7 6.12 x 10-8 5.57 0.8 4.9 x 10-8 x 0.8 6.12 x 10-8 6.36 0.9 4.9 x 10-8 x 0.9 6.12 x 10-8 7.16 1 4.9 x 10-8 x 1.0 6.12 x 10-8 7.95 Medium Constantan Wire .40mm length formula resistance 0.1 4.9 x 10-8 x 0.1 1.26 x 10-7 ...

• Word Count: 2009
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• Grade Level: High School

... a metre stick to measure the wire at eye level for accuracy. The wire must be pulled tight and held into place while measuring to ensure the length is accurately measured. Current We need to keep the current the same throughout the experiment because we are not measuring the current. We are investigating the ... (volts, V) Amps (A) I will calculate this by using a calculator so I avoid any possible errors. Fair Test The only variable that I will be altering will be the length of the wire as this is the main variable. The other variables, I will keep controlled to make it a fair test. I w...

• Word Count: 664
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• Grade Level: High School

... passage. The timber houses in a stone less region, rested on life prolonging pad stone. The substantial timber frames-two and sometimes three bays in length-were each of these villages the associated finds suggest life-styles of comfort and modest affluence. Most people lived in log or stone houses roofed with ... ribbed vault. These are the transverse arches that span the ends of vault, the lateral or longitudinal arches that span the length or sides of the vault, and the two diagonal arches that reach from corner to corner. Instead of one large curved surface to cover with a webbing of...

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• Grade Level: High School

... use, electronic transmission, relaying of television signals, and the need for communication in space all contributed to the emphasis placed on laser technology toward communications. The initial attraction to lasers for communications came from the fact that the amount of coherent information that an electromagnetic ... cornea within, using laser. For example Nearsightedness or myopia occurs when light rays entering the eye are focused in front of the retina instead of directly on it. Myopia is usually a result of the curvature of the cornea being too strong or the length of the eyebal...

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... is therefore equal to 1 joul per second. These units are important in discussing the maximum energy the laser is capable of generating. From the top, if the pulse has the rather long length of one second, energy in the pulse of one joule would be equivalent to a max power of ... one watt. when laser pulses are repetitive, the average power output of a laser(watts) is discussed. This being the product of ... and other applications. Aircraft builders also see the use of lasers systems. Distance and length Co2 lasers are used for optical radar transmitter. Also laser range finders for air...

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... is the job of the tracking system. The tracking system, as it plays the CD, has to continually move the laser outward. As the laser moves outward from the center of the disc, the bumps move past the laser faster -- this happens because the linear, or tangential, speed of the bumps is equal to the radius times the ... speed at which the disc is revolving (rpm). Therefore, as the laser moves outward, the spindle motor must slow the speed of the CD. That way, the bumps travel past the laser at a constant speed, and the data comes off the disc at a constant rate. A CD can store ... more da...

• Word Count: 1071
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... be used to make procedures easier to perform and to shorten the length of the procedure and easier on the patient in terms of recovery time. Many private companies are using lasers to correct vision problems. Lasik (laser-In-Situ Keratomileusis) is the most common technique for correcting the near ... for cutting many of the human organs instead of a scalpel because they can make a more precise cut in the tissue around affected area. The laser will not damage the tissue surrounding the cut. Dentists use lasers to burn out diseased parts of teeth. This is a lot quicker and less ... more su...

• Word Count: 1416
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... which lasers were thought to have application. Increasing telephone use, electronic transmission, relaying of television signals, and the need for communication in space all contributed to the emphasis placed on laser technology toward communications. The initial attraction to lasers for communications came from the fact that the amount of coherent information that an electromagnetic wave can carry if proportional to its ... Keratomileusis. This literally means, to shape the cornea within, using laser. For example Nearsightedness or myopia occurs when light rays entering the eye are foc...

• Word Count: 883
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... area and apparently is consistent with the aftershock sequence, which is approximately 60 kilometers long and extends northeast of Kobe. Based on empirical data of earthquake magnitude versus surface fault length, a 9-kilometer-long surface rupture should yield only an Mw6.2 earthquake, whereas a 60-kilometer-long rupture should yield an Mw7.1 earthquake, which is more consistent with the observed ... business district had severe damage or collapsed. In general, such structures appeared to have been minimally engineered. In many cases, these damaged buildings contained relatively light...

• Word Count: 24170
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• Grade Level: High School

... quality sound and are the same size as a standard CD. These things allowed the DVD to overcome problems that plague other media types such as the laser disk and become a popular type of media. Because of its architecture, a DVD is able to hold enormous amounts of information. As with a C.D., ... DVD's use lasers to burn pits into a disk that are read by another laser and transferred into the computers language. The difference between a DVD and a CD lies microscopically on the disk itself. This internal design provides DVD with the ... a DVD are much smaller and closer together than the...

• Word Count: 7384
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• Grade Level: High School

... series of pits and flat areas. Reading these pits or flats denote 0's or 1's, the building blocks of binary language which the computer uses. A thin laser beam reads the pits or the flats while the disk is spinning. Light reflects from the flat surfaces, not the pits. So a photo detector reads ... not the only thing that does into creating a usable CD-ROM. Next, the clear disc is given a reflective coating so that it will reflect the laser light the drive shines on it. Silver is used as a basis in this coating because it spreads out evenly, coating all pits and landing uniformly. ... do...

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... interconnections with lower crosstalk, and lower power consumption. The shortest interconnections however, will remain electrical ones, due in part to the inverse relationship between electrical interconnection length and power consumption, and to a length independent minimum latency time inherent to optical interconnections caused by the time delays required for electrical to optical to electrical conversion. Agrawal, G.P. (1992). Fiber-optic ... varies for multi mode and single mode fibers. By this we can use suitable fibers basing on the applications. Clarkson, C. (2000). Fiber shines ...

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... weight instead of one heavier weight. I thought that the weight might not be evenly distributed from the bottom of the string, resulting in a diagonal oscillation. I tested the pendulum with several weights and found no visible problems in the swing. Overall, the pendulum seemed to work quite well ... factors (force, drop and angle). She does not mention how it affects frequency (faster or slower). 3. She mixes variable by adjusting both length and weight and does not actually state conclusions. 4. Subject mentions angle. I allow her to proceed with adding a new factor. She demonstrates ...

• Word Count: 5299
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• Grade Level: High School

... wefts, one and then another, right across the loom. Since the weaver avoids long vertical lines in the pattern (to avoid long slits), designs are composed primarily of diagonal and horizontal elements. Intersecting diagonal pattern lines are also avoided, to produce strong pieces. Tapestry weft yarns need not always be horizontal. They can be pushed about as the weaver wishes to easily ... sometimes produced weftless soumak bags, with no intervening ground wefts. Variations in soulmak structures occur when the direction of wrapping is altered, or when the weaver outlines their design in...

• Word Count: 3570
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... Gigabit Ethernet standard development time. Three types of media are included in the 1000Base X standard: 1000 Base-SX (850 nm laser on multi-mode fiber), 1000 Base-LX(1300 nm laser on single-mode and multi-mode fiber), 1000 Base-CX(short haul copper - shielded twisted pair cable). The cabling distances are ... the transmission of a frame before the first bit has reached the far end of the cable, where it may collide with another frame [1]. The maximum cable length permitted in Ethernet is 2.5 km (with a maximum of four repeaters on any path). As the bit rate increases, the sender transm...

• Word Count: 2793
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• Grade Level: High School

... there are also basic roofing terms that are needed to know in order to build the roof. They are: span, rafter, total run, unit run, ridge, line length, pitch, seat cut, plumb line, and level line. The span of a roof is the horizontal distance covered by the roof. This it the width of the building ... coverings. The total run of a rafter is the horizontal distance over which the rafter rises. This is one half of the span. Unit run is the diagonal of the square whose sides are equal to the unit run of the rafters. The unit run is the same for all the rafters that run at right ... , and the...

• Word Count: 1380
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... the rapidly expanding and diverse printer markets, our subsidiary companies include: • Nu •kote International, America's favorite aftermarket brand of ink jet, fax, ribbons, copier and laser printer supplies. • ICMI, one of the largest independent producers of premium quality toner products and related accessories. • LCD - A leading manufacturer for remanufactured ... types of imaging devices. • Typewriter, printer and calculator ribbons, ink rollers, correction tapes • Advanced laser and ink jet cartridge systems and accessories • Copier toners, developers, fuser agents â...

• Word Count: 5889
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... other serious medical problems, or if the cancer is widespread, other types of surgery can be used to relieve some symptoms. For example, laser surgery can be used to relieve blockage of airways that may cause pneumonia or shortness of breath. Some patients with lung cancers that have ... Therefore, careful attention must be given to avoiding or minimizing side effects which depend on the type of drugs, the amount taken, and the length of treatment. Temporary side effects might include nausea and vomiting, loss of appetite, loss of hair, and mouth sores. Because chemotherapy can damage ...

• Word Count: 4620
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... fibre, which is used to transmit one signal per fibre. This type is mostly used in telephones and cable TV. It has small cores and transmits infrared laser light. The second type, called multi-mode fibre is used to transmit many signals per fibre and can therefore be used in computer networks and local area ... fibre optics work? A real fibre optic cable is made out of glass that is incredibly pure so that light can still make it through no matter what the length of the cable is. This glass is drawn into a very thin strand and is then coated in two layers of plastic. This coating is done...

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... omnipresent in the construction of the building. Parts can be expressed as x = 2y + 1, so there are 17 columns on the side and 8 in the front, and the ratio of the length of the building to the width is 9:4. The floor curves upward in the center of the facade to drain off rain water and to deflect the appearance of sagging at ... medieval art they can be significantly decorated. Psalter: a book containing the Psalms, or sacred sung poems, of the Bible Reliquary: a vessel for holding a sacred relic Rib vault: a vault in which diagonal arches form rib-like patterns. These arches partially...

• Word Count: 10708
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... of the painting, a young ballerina wearing a yellow bow on her tutu performs an arabesque on pointe, while two other dancers practice their port de bras (arm positioning) in the floor-length mirror behind her. The mirror seems to open up the composition. An older female chaperone wearing a straw hat sits in a chair reading (possibly a newspaper) in the foreground. Two dancers are ... 's body is cut off at the edge of the painting. The entire center portion of this painting is deliberately left empty. The clusters of dancers are also on diagonals. A faint diagonal line is even visible in ...

• Word Count: 1296
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... 's law. Gas discharges, vacuum tubes, semiconductors and what are termed onedimensional conductors (e.g.a linear polyene chain) generally all deviate from Ohm's law. In Ohmic material the resistance is proportional to the length l of the sample and inversely proportional to the sample cross-section A: R = l A (2) where is the resistivity measured in cm (in SI units m). Its inverse =-1 is the conductivity. ... for describing quantitatively a conductor, semiconductor or insulator built up of a linear chain of atoms such as in polyacetylene. Assume a row of N atoms separated by a distance d...

• Word Count: 6720
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• Grade Level: High School