purpose is to provide information on cell phone radiation‚ the risks that can be caused by cell phone radiation‚ and the potential health problems that could result from this. Details of the topic: I am going to talk about the arguments about how cell phone radiation can affect our lives and whether these arguments are accurate or not. Cell phone radiation is a type of electromagnetic radiation that has the ability to cause health issues. The radiation from this device can cause serious brain tumours
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Blackbody radiation: a spectroscopic study John Greavu Partner: Nicholas Souhleris TA: Yilikal Ayino (Friday‚ Section 006) April 18‚ 2014 I. PRELAB A blackbody is a body that absorbs all electromagnetic radiation and emits a continuous spectrum‚ such as heated cavern with just a small opening to the outside world. In 1900‚ German physicist Max Planck derived an expression for this blackbody spectrum. Knowing that oscillators emit radiation‚ he assumed that oscillators within the cavern were
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Electromagnetic radiation Electromagnetic radiation (EM radiation or EMR) is one of the fundamental phenomena of electromagnetism‚ propagating and traveling through space via photon wave particles‚ carrying radiant energy. In a vacuum‚ it propagates at a characteristic speed‚ the speed of light‚ normally in straight lines. EMR is emitted and absorbed by charged particles. As an electromagnetic wave‚ it has both electric and magnetic field components‚ which oscillate in a fixed relationship to one
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In this report‚ the absorption of heat in white‚ black and silver will be explored. Infrared radiation is invisible radiant energy‚ it lies between the visible light and the microwave portion of the electromagnetic spectrum. Heat is the main source of infrared energy‚ heat is produced by the movement of atoms and molecules. This experiment was conducted to investigate how black‚ white‚ and silver cans would absorb heat. The electromagnetic spectrum is made up of gamma rays‚ X-rays‚ ultraviolet‚
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To do so‚ the ions are extracted through a number of apertures. Besides ions‚ photons are produced in the plasma. Photons (minute energy packet of electromagnetic radiation) also pass through the apertures. They are not removed by vacuum and produce high background signal when they reach the detector. To minimize this background‚ a so-called photon-stop is present. This is a small metal plate placed in the centre of
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MediBuddy 1. Company Name And New Product Or Service Description MediBuddy is a device similar to the forehead thermometer sold by Braun‚ but is much more advanced. This device is swiped across the forehead similar to the thermometer‚ but takes more readings than just the temperature. Using advance technology‚ it reads things such as heart rate‚ blood pressure‚ and temperature. It uses these readings to determine if the “patient” needs to take an over-the-counter medication or if they should go to
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Brain perfusion SPECT is a non-invasive nuclear medicine imaging technique that allows regional CBF evaluation. The technique includes four main components: the CBF radiotracers (radiopharmaceuticals)‚ instrumentation‚ image reconstruction‚ and CBF quantification. 1.1.1 CBF radiotracers The inert gas xenon 133 is one of the most important and classical radiotracers for CBF measurement in absolute units using SPECT []. Nevertheless‚ the poor spatial resolution and the requirement for dedicated instrumentation
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Ruthenium often called its symbol‚ Ru‚ which atomic number is 44 and the atomic mass is 101.07 u ± 0.02 u. This element is known to have 27 radioactive isotopes but 7 regular isotopes. Ruthenium is solid at room temperature and looks like a hard‚ silvery-white metal with a shiny surface ( See page 2 for picture. ).The 3 main types of subatomic particles are protons‚ neutrons‚ and electrons. To humans Ruthenium is highly toxic and carcinogenic‚ and shouldn’t be touched if came into contact with.
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Episode 515: The radioactive decay formula Here‚ the key idea is the random nature of the decay. Avoid simply pulling pull equations out of the air – at least make them plausible. Summary Discussion: The meaning of the decay constant λ. (15 minutes) Discussion: The link with half-life. (15 minutes) Student experiments: Analogue experiments linking probability with decay rates. (20 minutes) Discussion: The meaning of the decay constant λ. Start from the definition
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All kinds of rocks contain very small amounts of radioactive elements‚ these are unstable and they break down into more stable atoms over time‚ which is called radioactive decay. Scientists can tell how old a rock is by using radiometric clocks‚ or by looking at its absolute age. Geologists measure the amount of certain radioactive elements; as time passes the radioactive elements change at regular rates‚ into non-radioactive elements. The older a rock is the larger the number of elements. The age
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