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Preface Nowadays, people would like to develop “green� technologies so that we can stop polluting the earth. But are they really feasible? Are they as good as we think when we develop it? In this e-book, we are going to find out answers for those questions.


• Second Life is used as a platform for education by many institutions, such as colleges, universities, libraries and government entities. There are over one hundred regions used for educational purposes covering subjects such as Chemistry and English. Instructors and researchers in Second Life favor it because it is more personal than traditional distance learning. Research has uncovered development, teaching or learning activities which use Second Life in over 80 percent of UK universities. At least 300 universities around the world teach courses or conduct research in SL.


1. Low-cost-learning 2. Save the transportation time 3. The learning speed can controlled by yourselves 4. Can learn ant time, any place 5. Save place 6. Save books and notes 7. No need to use black (white) board


• TeacherTube is a video sharing website similar to, and based on, YouTube. It is designed to allow those in the educational industry, particularly teachers, to share educational resources. The site contains a mixture of classroom teaching resources and others designed to aid teacher training. A number of students have also uploaded videos that they have made as part of college courses. As of July 2008, the website contains over 26,000 videos. It has found favor with educators who find that YouTube content is barred from educational networks by content filtering systems.


1.Can learn any way 2.Can learn some other special skills 3.Can learn any where 4.Can learn skills from other regions 5.No need to pay fee 6.Can make friend with people from other regions 7.Can know more different things


LibriVox • LibriVox is an online digital library of free public domain audio books, read by volunteers. In March 2009, it had a catalog of 2,189 unabridged books and shorter works available to download. Around nine-tenths of the collection is in English, although LibriVox recordings are available in 46 languages altogether.


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1.Not need to pay any money 2.Won’t forget to return the books 3.Can read the books any time, any place 4.Many people can read the same book at the same time • 5.Save time • 6.Save place for storing the books • 7.No need to print book (save trees)


1. Fewer chance to join social activities 2. Cannot concentrate in the class 3. May cause myopia 4. The damaged computer may cause land pollution 5. May Infringe the copyright 6. Easy poisoned by virus online


Conclusion

-The End-


New Teaching & Learning Tech.