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


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

Comments (8)

  1. sufi muhammad asghar says:

    a real service to students and humanity

  2. najeeb says:

    a level biology…………..biological molecule

  3. aamir baig says:

    its  easy  to  understand  without  any  help

  4. inasha says:

    give me the brife explanation of mitochondria

  5. RAMPALLI SUPRIYA says:

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

  6. MILI says:

    khan academy is a good help to every one

  7. emad says:

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

  8. abidi says:

    please send lecture about long day and short day plant