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Science & Technology
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Written by madmax
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Sunday, 13 June 2010 15:41 |
Crime peut arriver n'importe où et n'importe quand, vous pourriez être en mesure de payer les gardes de sécurité pour protéger les maisons, magasins, entrepôts, ou au bureau, mais tout cela ne sert pas de garantie afin d'éviter un crime. Les progrès technologiques rendent plus facile à obtenir votre maison du crime. Videosurveillance vous avez besoin pour garantir les actifs que vous avez.
Videosurveillance-france.fr offre une installation rapide de videosurveillance, claire, précise, et le prix bas Pour plus d'informations sur la videosurveillance à bas prix, s'il vous plaît visitez http://www.videosurveillance-france.fr.
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Written by madmax
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Sunday, 11 April 2010 22:22 |
 In previous articles, I have written about the "Wireless Communications". Now, I'll try to explain about the Principles of Wireless Communications. Humans are always developed technology to facilitate communication, and one of them is the development of wireless communication technology. This article "Principles of Wireless Communications" is a continuation of the previous article, so if you have not read the previous articles please first read the article "Wireless Communications". Wireless communications begin with a message that is converted into an electronic signal by a device called a transmitter. There are two types of transmitters: analog and digital. An analog transmitter sends electronic signals as modulated radio waves. The analog transmitter modulates the radio wave to carry the electronic signal and then sends the modified radio signal through space. Read 3 Comments... >> |
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Written by madmax
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Thursday, 01 April 2010 17:49 |
 Wireless Communications, various telecommunications systems that use radio waves to carry signals and messages across distances. Wireless communications systems include cellular telephones, pagers, radio telegraphs, satellite telephones, laptop computers, personal digital assistants (PDAs), shortwave radios, and two way radios. They are used primarily to transmit private communications.
Commercial radio and television are also wireless telecommunications systems, but radio and television are mainly public broadcast services rather than private communications systems (Radio and Television Broadcasting). This article focuses on wireless communications systems that are used primarily for private communications.Read 1 Comments... >> |
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Written by madmax
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Thursday, 01 April 2010 14:44 |
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Soil and water are essential elements that greatly affect our lives. For that we need to maintain soil and water to be free from contamination indrusri waste and household waste. N-Viro International Corporation (NVIC) offers technology that can process waste manufactoring establishment become environmental friendly. Several technology introduced by N-Viro International Corporation (NVIC) is N-Viro Soil, N-Viro BioDry, N-Viro BioBlend, and N-Viro Fuel. They were very understanding of a healthy life and it all starts from the soil and water in our environment. If you would like to know more detail about the technologies, N-Viro Soil, N-Viro BioDry, N-Viro BioBlend, and N-Viro Fuel offered by N-Viro International Corporation, please visit http://www.nviro.com, and all your questions about the technology of N-Viro will be answered.Read 0 Comments... >> |
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Written by madmax
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Monday, 29 March 2010 14:33 |
Light Emitting Diode (LED), device that emits visible light or infrared radiation when an electric current passes through it. LEDs are made of semiconductors, or electrical conductors, mixed with phosphors, substances that absorb electromagnetic radiation and reemit it as visible light.
When electrical current passes through the diode the semiconductor emits infrared radiation, which the phosphors in the diode absorb and reemit as visible light. The visible emission is useful for indicator lamps and alphanumeric displays in various electronic devices and appliances. Devices such as remote controls and cameras that focus automatically use infrared LEDs, which emit infrared radiation instead of visible light.
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Mad Max
