surfing! Many things we use every day involve waves. Lights and sounds are examples of everyday uses that travel by wave. On the spectrum of light there are waves listed which are X-Rays‚ UV-Rays‚ and Infrared. Some of these are harmful to life‚ and some of these are helpful to life‚ where mostly they all serve both of these purposes. Another type of wave‚ though not on the spectrum because it is not light‚ are sound waves. Weather the wave is a sound wave or a light wave it consists of the basic similar
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tape Carlos G. Camara1*‚ Juan V. Escobar1*‚ Jonathan R. Hird1 & Seth J. Putterman1 Relative motion between two contacting surfaces can produce visible light‚ called triboluminescence1. This concentration of diffuse mechanical energy into electromagnetic radiation has previously been observed to extend even to X-ray energies2. Here we report that peeling common adhesive tape in a moderate vacuum produces radio and visible emission3‚4‚ along with nanosecond‚ 100-mW X-ray pulses that are correlated
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Huygens | Light is a wave. | Dual Nature | In modern theory‚ Light has a dual nature; part particle and part wave. | R.M.I.V.U.X.G. | Radio waves‚ microwaves‚ infrared waves‚ visible light‚ ultraviolet rays‚ gamma rays. | Energy in an Electromagnetic Wave | Energy is part electric and part magnetic. | DO NOT Pass through Light | Infrared and Ultra-violet light do not pass through glass while visible light does. | Resonance on Glass | Electron in glass have a natural frequency in ultra-violet
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Republic of the Philippines DEPARTMENT OF EDUCATION Region IV-A CALABARZON DIVISION OF LAGUNA Santa Cruz Grade 7 - Integrated Science Diagnostic Test – SY 2012-2013 Direction: Choose the letter of the best answer and write it on your answer sheet. If the answer is not among the choices write e. Quarter 1 1. Which of the following is an example of a solution? a. Vinegar b. Halo-halo c. Sand in water d. Oil in water 2. Which statement describes the solute? a. It is the solid formed in solution
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Energy Transformation Conduction‚ convection‚ and radiation are things that exist in our life. Thanks to that stuff we have things like electricity and things to cook too. I am going to explain things about energy transformation. Heat transfer is the way heat moves through matter to change the temperature of other objects. There are three types of heat transfers‚ Conduction‚ Convection‚ and Radiation. The first kind of heat transfer‚ conduction‚ is heat transferring through direct contact of materials
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------------------------------------------------- Anechoic chamber An anechoic chamber (an-echoic meaning non-echoing or echo-free) is a room designed to stop reflections of either sound or electromagnetic waves. They are also insulated from exterior sources of noise. The combination of both aspects means they simulate a quiet open-space of infinite dimension‚ which is useful when exterior influences would otherwise give false results. Anechoic chambers were originally used in the context of acoustics (sound
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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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reproduce the wrong type of cell for that area of the body. This is what we call a tumor. If this tumor begins to spread to other areas of the body it’s diagnosed as cancerous. Many studies have been performed to try to prove that cell phone electromagnetic radiation‚ in the form of radiofrequency‚ can indeed damage DNA. In the document “Cell Phones and Cancer Risk‚” from the National Cancer Institute‚ it states that: “The results of these studies have generally not provided clear evidence of a
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footnoted sources)‚ at its heart it is a story about ordinary people who took on an extraordinary challenge in bringing their research forward. HAARP Boils the Upper Atmosphere HAARP will zap the upper atmosphere with a focused and steerable electromagnetic
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transmission is usually limited to a small area‚ e.g. one room‚ with the transmitter pointed towards the receiver. The hardware is inexpensive and does not require an antenna. Radio A network that uses electromagnetic radio waves operates at radio frequency and its transmissions are called RF transmissions. Each host on the network attaches to an antenna‚ which can both send and receive RF. Satellites Radio transmissions
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