MODULE 04 Cross-Cultural Competency Culture Culture is the pattern of action and the ways of perceiving‚ feeling‚ and thinking acquired growing up in a particular group of people Ethnocentrism Ethnocentrism is the attitude held by the members of a culture that theirs is the only true‚ right‚ and best way to view and act in the world. Cultural relativism Cultural relativism is the idea that human behavior‚ ideas‚ and emotions must be understood in the context of the whole culture in which they occur
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experiment or The Matrix movies. As a result of Hume’s Problem Of Induction‚ skeptical scenarios seem nearly impossible to disprove. And although René Descartes showed that a thinking entity exists somewhere that controls his thoughts‚ he wasn’t able to debunk skeptical scenarios without using unfounded teleological arguments. Many philosophers
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Danger of ionising radiation Non ionizing radiation refers to any type of electromagnetic radiation that does not carry enough energy per quantum to ionize atoms or molecules—that is‚ to completely remove an electron from an atom or molecule. Instead of producing charged ions when passing through matter‚ the electromagnetic radiation has sufficient energy only for excitation‚ the movement of an electron to a higher energy state. Ionizing (or ionising) radiation
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The electromagnetic spectrum consists of seven different waves. The waves are in the order of how big the wavelength is and its frequency‚ from the biggest to the smallest: Radio waves‚ Micro waves‚ Infrared‚ Visible light‚ Ultra Violet‚ X-rays and Gamma rays. Each of them has their own special use in everyday life. For example‚ to turn on a TV you need to use Radio waves‚ to heat your food you use Microwaves and X-rays are used to look into people’s bodies. Some waves‚ like Radio waves can be as
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Radiation ¨ ¨ n Food irradiation ¨ n Rays of energy Emission and propagation of energy through matter or space by electromagnetic disturbances Application of radiation‚ as ionizing energy‚ to foods Electromagnetic spectrum ( of radiation) Radiation Is the Energy! Irradiation Is the Process! 3 Terminology n n Electromagnetic spectrum (of radiation) Organized scale of electromagnetic radiation: ¨ radio waves‚ ¨ visible light‚ ¨ microwaves‚ ¨ ionizing radiation n frequency‚ wavelength‚ energy value
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waves: a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth’s surface Line of propagation: is the electro-magnetic radiation or acoustic wave propagation. Electromagnetic transmission light travels in a straight line. The rays or waves can be diffracted‚ refracted‚ reflected‚ or absorbed by atmosphere and obstructions with material and generally cannot travel over the horizon or behind obstacles. Ground waves:
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may occur in one‚ two or three dimensions‚ depending on the nature of the wave and the medium Identify that mechanical waves require a medium for propagation while electromagnetic waves do not Mechanical: Requires a medium for propagation (ie. Travel through) Eg. Sound Waves‚ Water Waves‚ Waves in a string .. Electromagnetic: Do not require a medium for propagation (ie. EM Waves can pass through a vacuum) Eg. Light‚ Infrared‚ UV‚ X rays‚ Gamma Rays‚ Radio waves‚ Microwaves .. Define
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OCT‚ 2013 WIRELESS TRANSMISSION 1.2 RADIO PROPAGATION: Radio propagation is the behavior of radio waves when they are transmitted‚ or propagated from one point on the Earth to another‚ or into various parts of the atmosphere. As a form of electromagnetic radiation‚ like light waves‚ radio waves are affected by the phenomena of reflection‚ diffraction‚ and scattering. ERIC SAVIOUR ARYEE OKAI‚ OCT‚ 2013 ASSIGNMENT #1 With the aid of simple diagram(s)‚ explain the three propagation phenomena
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Singh‚ Hanumant; Adams‚ Jonathan; Mindell‚ David; and Foley‚ Brendan 2000 Imaging Underwater for Archaeology. Journal of Field Archaeology volume 27 number 3: 319-328. The article by the various authors listed above concentrated on the various techniques that are used to locate and then to excavate these sites. They list and discuss the various techniques that they use. These vary from side-scanning to locate the sites to high resolution video to see how the site appears and the various locations
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satellite net services. An organization will utilize this kind of technology for high speeds or internet access in a far off place (Data Communication‚ 2002). The upcoming technology will be microwave signals. Microwave signals is a type of electromagnetic power which works at extremely high frequencies. This kind of technology
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