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Cell Phones and Cancer Risk

What is radiofrequency energy and how does it affect the body? Radiofrequency energy is a form of electromagnetic radiation. Electromagnetic radiation can be categorized into two types: ionizing (e.g., x-rays, radon, and cosmic rays) and non-ionizing (e.g., radiofrequency and extremely low frequency, or power frequency). Electromagnetic radiation is defined according to its wavelength and frequency, More..

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Technology (“science of craft”, from Greek

This article is about the use and knowledge of techniques and processes for producing goods and services. For other uses, see Technology (disambiguation). A steam turbine with the case opened. Such turbines produce most of the electricity used today. Electricity consumption and living standards are highly correlated.[1] Electrification is believed to be the most important More..

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Music is an art form and cultural activity

Music is an art form and cultural activity whose medium is sound organized in time. In general definitions of music will include common elements such as pitch (which governs melody and harmony), rhythm (and its associated concepts tempo, meter, and articulation), dynamics (loudness and softness), and the sonic qualities of timbre and texture (which are More..

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A Roma supporter lashed out

A Roma supporter lashed out at a Liverpool fan as he fell to the ground during a joint attack ahead of a Champions League semi-final, a court has heard.Filippo Lombardi, 21, is accused of inflicting grievous bodily harm on Sean Cox, 53, outside Anfield before the first leg of the game on April 24 .Opening More..

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Notebook computer

A laptop, also called a notebook computer or simply a notebook, is a small, portable personal computer with a “clamshell” form factor, having, typically, a thin LCD or LED computer screen mounted on the inside of the upper lid of the “clamshell” and an alphanumeric keyboard on the inside of the lower lid. The “clamshell” More..