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Khan Academy: Free Lectures on Math, Physics, Biology, Economics, and History

Khan Academy: Free Lectures on Math, Physics, Biology, Economics, and History

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It is very rare that I go so far off-topic on my blog, but then again, it is very rare that I find something so cool.  Salman Khan (khanacademy.org) has recorded over 1500 mini-lectures on a wide variety of topics, organized in a cohesive fashion and made available for free on YouTube.  I have already spent several enjoyable hours watching his videos, and plan on spending many more.  What he has put together is an act of generosity that deserves to be recognized.

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Along the same vein, the Feynman lectures on physics are very cool too.

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  • Please add 4 and 3 and type the answer here:
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  • a real service to students and humanity

  • a level biology..............biological molecule

  • its  easy  to  understand  without  any  help

  • give me the brife explanation of mitochondria

  • ITS REALY VERY HELPFUL TO ALL THE STUDENTS TO UNDERSTAND WITHOUT ANY HELP OF OTHERS

  • khan academy is a good help to every one

  • good jog and i am also thankful to him who provide us a good learning method...thanx

  • please send lecture about long day and short day plant

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