Blackbody radiation is the electro-magnetic radiation emerging from a small hole in a perfectly black box containing electromagnetic radiation at a high temperature. Scientists were interested in setting standards for the electric and thus measured the distribution of the total electromagnetic energy in a black box among the different wavelengths of the light. But not until Max Planck‚ at the turn of the century‚ was a single mathematical formula for the observed distribution of the energy among
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Caring for Populations: Assessment and Diagnosis Introduction Pertussis‚ also known as the “whooping cough”‚ is a highly contagious respiratory illness that is passed from person to person through coughing and sneezing (Gregory‚ 2013). Early symptoms are similar to those from common colds‚ but when Pertussis progresses‚ it can turn to deep cough and potentially vomiting with little or no fever. It is caused by the bacterium Bordetella pertussis. The disease can be very serious in children less
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Understanding UV radiation The sun sends out different types of radiation – visible light that we see as sunlight‚ infrared radiation felt as heat and UV radiation that we can’t see or feel. Are there different types of radiation in sunlight? Yes. The types of radiation include • visible light‚ which gives us the colours we see‚ • infrared radiation which gives us the warmth we feel‚ and • ultraviolet (UV) radiation. Except in extreme situations‚ neither visible light nor infrared radiation from sunlight
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Is Cell Phone Radiation Really Harmful? With sixty percent of the world’s population using cell phones‚ recent concern has risen from the medical front concerning the harmful effects of cell phone use. All scientific research has concluded that mobile phones do produce RF energy and emit electromagnetic radiation. Studies have also concluded that high levels of RF energy can be harmful to human health. However‚ all scientific studies have not agreed if the levels of RF energy emitted from modern
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Radiation pattern From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search Antenna radiation patterns In the field of antenna design the term ’radiation pattern ’ most commonly refers to the directional (angular) dependence of radiation from the antenna or other source (synonyms: antenna pattern‚ far-field pattern).[1][2][3] Particularly in the fields of fiber optics‚ lasers‚ and integrated optics‚ the term radiation pattern‚ or near-field radiation pattern‚ may also be used as
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claims‚ and studies about the cellphone radiation exposure. Some studies suggest that there is no evidence that cellphone can cause cancer‚ others are saying that there are credible amount of evidence that the use of cell phone cause health complication including cancer. According to the article “Dangers of today technology” Recent research shows that cellular phones can cause health complication‚ including cancer. “Heavy long exposure to cell phone radiation increases risks for certain type of cancer
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Name __________________ Blackbody Radiation Lab 11 Go to http://phet.colorado.edu/simulations/sims.php?sim=Blackbody_Spectrum and click on Run Now. 1) In this lab‚ you will use the Blackbody Spectrum Simulation to investigate how the spectrum of electromagnetic radiation emitted by objects is affected by the object’s temperature. In this simulation‚ you can input the temperature and observe the spectrum of the radiation emitted. a) The temperature of stars in the universe
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Diagnosis The assigned clinical experienced was an opportunity to meet and interact with a patient that was scheduled to have a cesarean and to obtain a history. The Patient‚ T is a 27 year old female who is a Multipara and has a history of marijuana use‚ HPV‚ Abnormal Pap smear‚ CIN changes‚ and anxiety with depression. This patient is blood type A‚ RH and G Betta negative. She is also Rubella immune. The first baby was delivered via cesarean at 40 weeks‚ due to fetal distress and cord entanglement
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Dual diagnosis is a ground breaking idea that has been effective in relieving symptoms of alcohol abuse and different points of depression (Baker‚ Kavanagh‚ Kay-Lambkin‚ Hunt‚ Lewin‚ Carr‚ and Connoly‚ 2009; Jones Barrowclough‚ Allott‚ Day‚ Earnshaw and Wilson‚ 2011; Riper‚ Anderson‚ Hunter‚ de Wit‚ Berking‚ and Cuijpers‚ 2012). The process of treating both diagnosis simultaneously can be orchestrated in several different ways‚ although the concept of treatment remains the same. Treatment of comorbid
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Acute Radiation Syndrome Acute radiation syndrome which is also sometimes known as radiation sickness or radiation toxicity is an extremely serious illness that occurs when the entire body (or most of it) receives a high dose of penetrating radiation‚ a dose greater than 50 rads‚ in a very short period of time. Studies in animals and humans exposed to radiation have allowed researchers to describe acute radiation syndrome. The most replicative cells are the most sensitive to the acute effects
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