Billions of people use cellphones and more than 80percent of the worlds population has access to cellphone service from cellular antennas.Cellphones are expected to rise sharply in coming years and many are concerned about potential health effects from cellphones,cellular antennas and Wi-Fi devices.some cell phone users who suffered rare illness have filled lawsuits against cell phone companies, but that cases usually are lost due to lack of scientific evidence linking the use of phones to the illness.While debates rage in communities over placement of cellular antennas the consideration of health effects on residents is muted because the federal governments Telecommunications Act of 1996 prohibits local governments from considering health effects when making decisions about cellular antenna placement. Are you concerned about cellphone antenna and Wi-Fi radiation?
Tuesday, May 11, 2010
Monday, May 10, 2010
ArE WoRd PrOcEssInG PrOgrAms MaKingG StUdEntS LaZy?
Today word processing programs fix spelling grammar mistakes,automatically format documents with templates,help correctly reference works citied in a document and seem to do everything short of generating an idea for a document.Some educators believe that the proliferation of word processing automation is cheating students of the fundamental ability to perform these tasks on their own.Research shows that as word processing automation is cheating students of the fundamental ability to perform these tasks on their own.Research shows that as word processing programs became more popular over the past years,the quality of written work done without the aid of this software has dropped dramatically.Opponents of using word processing software for assignments point out the quality of e-mail and instant messages is markedly worse than works written with the aid of modern word processing programs.Proponents of the use of word processing programs for educational use point out that automation is the way writing should be done now and in the future. Students are more productive and able to focus on the topics at hand rather than worry about spelling errors.Do students need the ability manually to check spelling and grammar,format a document,and reference citied works in a document,in a same way that students still learn multiplication and long division? Why or why not?
What is a blog?
A blog is a type of website,usually maintained by an individual with regular entries of commentary,descriptions of events or other material such as graphics or a video.Many blogs provide commentary or news on a particular subject.Informal website consisting of time-stamped articles or posts,in a diary or journal format. A blog that contains a video is called a video blog or vlog. Blogs reflect the interests,opinions,and personalities of an author and sometimes site visitors.BLOGS HAVE BECOME AN IMPORTANT MEANS OF WORLDWIDE COMMUNICATIONS.
Friday, May 7, 2010
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