| 1. | Radar and Satellite Laser Ranger
... Radar and Satellite Laser Ranging are two examples of physics innovations that have revolutionized the modern world.
Radar involves the transmission of pulses of electromagnetic waves by means of a directional antenna; some of the pulses are reflected by objects that intercept them. ... The...
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| 2. | laser in medicine
A laser peel is performed by using a CO2 or Erbium laser, which is capable of delivering short bursts of energy. By focusing the laser on the surface of the skin, it is possible to remove wrinkles, scars and many other skin blemishes without leaving a scar.
The advantages of the laser are thaclin...
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| 3. | laser transmission
... Laser transmission in the medical field have skyrocketed, becoming powerful and necessary tools in medical practice. There are many medical laser systems available today, but they all use the principal of, getting the right amount of the right wavelength of laser energy to the right tissue to...
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| 4. | Get a Handle on It
Get a Handle on It I was as late as the white rabbit from “Alice in Wonderland”. With a Pop Tart in one hand, and oversized ergonomic coffee cup in the other, and my faithful Army surplus bag doubling as a school satchel flung over a shoulder, I sprinted to my trusty Ford Ranger. However, it looked ...
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| 5. | satellite
SATELLITES
A satellite is any object that orbits or revolves around another. In addition to the Moon (a natural satellite), thousands of man-made satellites (used for communication, weather forecasting, research and surveillance) also orbit the Earth.
A typical satellite consists of a number of ...
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| 6. | Satellite Communications
SATELLITES
Although anything that is in orbit around Earth is technically a satellite, the term “satellite” is normally used to describe a useful object deliberately placed in orbit to perform some specific mission or task. ... Secondly, the cost of operating a satellite is spread over so many ...
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| 7. | Heterotransistors and Heterostructure Lasers
Abstract
Heterotransistors and heterostructure lasers are old technologies that are really just recently coming into general use. ... Heterotransistors and heterostructure lasers are important technologies in today’s society, so important that the inventors shared the 2000 Nobel Physics Prize (...
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| 8. | IMPOSITION OF PHOTO RADAR TO OUR STREETS HAVE NOT HAD THE EXPECTED FISCAL RESULTS
THE IMPOSITION OF PHOTO-RADAR TO OUR STREETS HAVE
NOT HAD THE EXPECTED FISCAL RESULTS.
Every fiscal year, many projects are evaluated for their pros and cons. ... The concern of our government has resulted in the enforcement of photo-radar cameras meant to deter o...
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| 9. | laser cutting thick metal plate
Trends in the metal fabricating industry show that more and more fabricators are buying higher-powered lasers for cutting applications. ... A recent survey conducted by the AMT Laser System Product Group shows that metal fabricators are buying more high power laser systems in the 3 to 6 thousand wa...
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| 10. | hi
The hardest part is keeping the laser beam centered on the data track. This centering 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 --...
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| 11. | Honor Crimes
USING LASER TECHNOLOGY IN MEDICINE Development in technology brings new techniques that are used in different areas. One of these areas which is affected by the development in technology is medicine. New treatment methods provide a quick and safe healing process compared to old classical methods. Us...
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| 12. | satellite communication
Anyone who nowadays wants to communicate as autonomously, globally and securely as possible and values high transport capacity, cost effectiveness and reliability will pick satellite-based communication as his preferred technology. Broadband satellite networks such as VSAT are a solution which can c...
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| 13. | The Industry, Redux
The Industry, Redux SATELLITE TV vs. CABLE TV My first written assignment was about Satellite TV vs. Cable TV. The two companies in our area are Comcast cable TV and Satellite TV. Since I live on the other side of town the only type of pay TV available is satellite TV. This does not leave much room ...
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| 14. | Hibernia
The Ocean Ranger The Ocean Ranger (Mary Garbey) On the fifteenth day of February Nineteen-Eighty-Two The Ocean Ranger was capsized And lost all of its crew 84 precious lives were lost On that sad and fateful day Some were Newfoundlanders And some were C.F.A. The crew in desperation tried To launch t...
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| 15. | Behind the Music Ranger Rick and the Dirty Socks
Behind the Music: Ranger Rick and the Dirty Socks
It all started out in 5th grade at Monarch Elementary School in Los Osos, California. ... (cue dramatic music and coming up. ... (cue sad music) However, Anthony Kiedis and John Frusciante told their record label about this spiffy new band calle...
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| 16. | Satellite Radio
... With Americans spending so much time listening to the radio, many become tired of the monotonous AM/FM broadcasts they listen to everyday. Out of the midst of the many dull AM/FM stations broadcasted throughout the nation today, satellite radio rises as a new hope to unhappy radio listeners ...
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| 17. | Ring laser gyroscope
Physics R&A
Ring Laser Gyroscopes – Theory and uses
Aims:
The aim of this project is to investigate the theory behind the Sagnac effect, which is used by Ring Laser Gyroscopes (RLG). ...
Basic operations of RLGs
The ‘ring’ in an RLG, is often a polygon with mirrors at the verti...
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| 18. | Satellite Radio
A new player in the game of radio appeared to the public several years ago when television commercials began airing featuring popular musicians as well as pianos, guitars, and various other musical instruments falling from the sky into peoples cars and homes. The new player was satellite radio. Th...
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| 19. | Barcode scanners
Bar codes (Also known as Universal Product Codes) are informational tags with both a machine-readable code, in the form of vertical lines, and a man-readable set of numeric digits. A scanner is used to read the code for reference to a database for preset information regarding a product. This system ...
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| 20. | appologies to all who are concerned
i will update this essay for a real one as soon as i am done promise as an honest man.. You will often read about "pits" on a CD instead of bumps. They appear as pits on the aluminum side, but on the side the laser reads from, they are bumps. The incredibly small dimensions of the bumps make the spi...
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