... found everywhere. In order for matter to move, it requires some form of energy. Sports show many good examples of the relationship between matter and energy. For instance, a pitcher requires energy to throw a baseball at the incredible speed and accuracy that is needed to keep the batter from using his energy ... will reach the fence. Trajectory is also seen in basketball, where players must shoot the ball with enough arch to get over the front of the rim, and go through the hoop. The energy required to do this comes from not only the arms, but the legs as well ... are now able to use l...

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• Approx Pages: 2
• Has Bibliography
• Grade Level: High School

... follow a specific path. As water poured out through the spout of the first container, Tyndall directed a beam of sunlight at the path of the water. The light, as seen by the audience, followed a zigzag path inside the curved path of the water. William Wheeling, in 1880, patented a method of light transfer called "piping light."" Wheeling believed that by using mirrored pipes branching off from ... developed for other reasons. For example, the first fiber optic light sources were derived from visible indicator LEDs. As demand grew, light sources were developed for fiber optics that offer...

• Word Count: 1457
• Approx Pages: 6
• Grade Level: Undergraduate

... and the other way around make the whole process of switching more complicated and therefore people are already looking for a solution for this. First, people wanted to use moving mirrors to switch the direction of the beam of light, but this solution presents a lot of problems, under which the cost, size, mechanical complexity and the speed limitations of moving mechanical parts. But Agilent a company working with fibre ... optics found another source that also reflects light namely bubbles. The company started researching this option to change the direction ... ...

• Word Count: 4544
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• Grade Level: High School

... more importantly, labor costs force us to consider other alternatives. Two solutions are TDM and WDM. Solutions to Bandwidth Demand TDM TDM improves the efficiency of a single fiber by combining many lower-speed transmissions into a single higher-speed transmission using time slicing. Synchronous Optical Network (SONET) used primarily in North America and Synchronous Digital Hierarchy (SDH) used primarily in Europe and Japan ... onto the fiber. It uses an optical wavelength multiplexer to essentially put multiple carrier wavelengths on the fiber optic at the same time. Instead of a singl...

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... position that would normally be occupied by a gallium atom. This makes the material emit light with a longer wavelength than normal. Light is produced in semiconductors such as GaAs when electrons in the material lose some energy: this energy is converted into a photon of light. Electrons on the arsenic anisette defects can lose energy in smaller packets than those in ... generally more expensive than Germanium and ZnSe. GaAs is Diamond Turntable. Gallium arsenide is used in the manufacture of light-emitting diodes (LEDs), which are found in optical communications and control systems. G...

• Word Count: 1699
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• Grade Level: Undergraduate

... are the most basic units of light. Atoms release light photons when their electrons become excited. If you've read How Atoms Work, then you know that electrons are the negatively charged particles that move around an atom's nucleus (which has a net positive charge). An atom's electrons have different levels of energy, depending on several factors, including their speed and distance from the ... for automatic landing systems for aircrafts. Military use of lasers involve the illumination of a target from an aircraft and an air-dropped bomb which contains an optical seeker. As the bomb des...

• Word Count: 1647
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• Grade Level: High School

... gas. The argon gas is what gives a laser its red color in a laser pointer. This tiny sparks makes light, which is in the form of ions. Ions make up all light in the universe. These ions scatter out at the speed of light in every direction. Most of the ions just disappear the only one that doesn't disappear is the one ion that travels completely horizontal to ... the two sides of the quarts tube. Next the ion enters in an atom of the argon gas, which is the ... start of the actual laser existence. When the ion enters the ... ...

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... bar code scanner is to read the image presented by the bar code. In its most basic form, the scanner sees and measures the absence or presence of light in the code's bars and spaces, and converts that information into an electrical signal that can be translated into recognizable or computer-compatible data. Common hand held scanning technologies includes ... , hand held or fixed mount, and contact or non-contact. Fixed beam or moving beam read a bar code symbol by a beam of light that must pass over the symbol at a fairly rapid and constant rate of speed. In some input devices the beam ...

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... it NASA. LADARVision system uses an ultra-small beam of cool laser light - one that's less than a millimeter wide and a spot much smaller than the thickness of a single human hair. Using high-speed computer control the LADARVision system moves this tiny beam of light across the surface of the cornea very rapidly in a tiny, non-sequential and ... I the long run the procedure will pay for its self. It is hard to believe that lasers have come so far. From little beam of useless light to weapon guidance systems and even to help you and me see better. It is hard to say were lasers will go nex...

• Word Count: 1801
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... Every year, we cannot fail to notice how computer systems increase greatly in speed, memory capacity and performance. A computer system bought today is, quite literally, out of date by tomorrow. As computers have become more advanced, the applications that they are used for have increased. Today, large files of sound and image data are frequently being stored. The need for greater ... This new technology is called Holographic Memory. Section 2 - What is Holographic Memory? Holographic memory is a promising new storage technology, which offers massive increases in speed and capacity. It ...

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... Light reflects from the flat surfaces, not the pits. So a photo detector reads what is reflected and sends the 0's and 1's to the CPU. This is simply binary code, and is how the CPU interprets data. CD-ROM drives come in many styles. They are both external and internal. They also come in different speeds. The speed is denoted in terms of ... how much faster it is than a standard audio CD player. Therefore a 2X drive is twice the speed of your stereo's CD player, and so on. Technology has advanced quite a bit. ... discussed above, and being that there is no alteration in the surface to r...

• Word Count: 2190
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... the laser to do precision welding in glass tubes such as resistors, diodes, transistors, and many other microchips. This has enabled computer companies to decrease the size of the computer and increase the processing speed of the computer. Mining Another area in industry where lasers are used is mining. They use the laser to precision digging and drilling. Mine safety people use lasers ... disharmonious with on another because they are traveling from different paths. The film then records the interference pattern, between the two light beams, which is the hologram. To view the hologram ...

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• Grade Level: High School

... literally means, to shape the 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 eyeball being too long. During the LASIK procedure, microscopic layers in the cornea are removed ... and Space Administration some call it NASA. LADARVision system uses an ultra-small beam of cool laser light - one that's less than a millimeter wide and a spot much smaller than the thickness of a s...

• Word Count: 883
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• Grade Level: High School

... 2 1 Introduction 2 Report 2 2 How a CD stores Information 2 2.1 CD Writeables 3 2.2 CD Re-Writeables 3 3 How a Floppy disk store information 4 3.1 What is a floppy disk made of? 4 4 Uses of floppy disks and CDs 5 5 Comparison 5 6 Conclusion 6 Report on how CDs and Floppy disks store information. 1 Introduction In this report I will explain how CDs and floppy disks store information, the ... the same rate as it does when the player is reading it. This means it would take you about 60 minutes to record 60 minutes of music. At 2x speed, it would take you about half an hour to record 60 minu...

• Word Count: 2087
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• Grade Level: High School

... found everywhere. In order for matter to move, it requires some form of energy. Sports show many good examples of the relationship between matter and energy. For instance, a pitcher requires energy to throw a baseball at the incredible speed and accuracy that is needed to keep the batter from using his energy ... will reach the fence. Trajectory is also seen in basketball, where players must shoot the ball with enough arch to get over the front of the rim, and go through the hoop. The energy required to do this comes from not only the arms, but the legs as well ... are now able to use l...

• Word Count: 486
• Approx Pages: 2
• Grade Level: High School