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Science and Technology articles, as requested by a member.
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Science and Technology
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Written by Lynne
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Monday, 01 March 2010 00:00 |
What is an Earthquake?
An earthquake (also known as a quake, tremor, or temblor) is the result of a sudden release of energy in the Earth's crust that creates seismic waves. At the Earth's surface, earthquakes manifest themselves by shaking and sometimes displacing the ground. Any activity within the earth that creates vibrations can be called an earthquake, whether it's a natural phenomenon or an event caused by humans — something that generates seismic waves. Earthquakes are caused mostly by the rupture of geological faults, but also by volcanic activity, landslides, mine blasts, and nuclear experiments. Earthquakes send waves through the earth and this means that places many miles from the centre of an earthquake can be affected by these waves.
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Science and Technology
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Written by Lynne
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Monday, 01 February 2010 00:00 |
Obesity
What is obesity?
Obesity is a medical condition in which excess body fat has accumulated to the extent that it may have an adverse effect on a person's health, leading to reduced life expectancy and/or increased health problems. In other words, it means to be dangerously overweight.
Obesity is a leading preventable cause of death worldwide, with increasing prevalence in adults and children, and authorities view it as one of the most serious public health problems of the 21st century.
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Science and Technology
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Written by Lynne
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Friday, 01 January 2010 00:00 |
E-Books
What is an e-book?
E-books, also written as Ebook, EBook, eBook, or ebook, stands for electronic book. According to the Oxford Dictionary of English, an e-book is "an electronic version of a printed book which can be read on a personal computer or hand-held device designed specifically for this purpose".
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Science and Technology
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Written by Laura De Angelo
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Tuesday, 01 December 2009 10:36 |
The London smog disaster
London, England ( 51°29'51.75"N, 0° 7'47.65"W) was the site of a dense smog caused by heavy coal combustion during the winter of 1952, which killed approximately 12,000 people.
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Science and Technology
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Written by Lynne
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Tuesday, 01 December 2009 00:00 |
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The Large Hadron Collider (LHC) is the world's largest machine, and the highest-energy particle accelerator. It works by colliding opposing particle beams of either protons or lead nuclei. These experiments are expected to address the most fundamental questions of physics, to increase our understanding of the deepest laws of nature, including the existence of the hypothesized Higgs boson particle, which is often referred to as "the God particle" in the media.
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