Many Many times I look up a how to on the great and powerful YouTube. It’s useful for everything from cooking a roast to installing a disposal under the sink but how is it for a subject like math? The answer is very good indeed. Recently I caught a great interview with the founder of the Khan Academy. He started out recording a few math videos and posting them to Youtube to help his niece. She and others found them useful and now more and more people are contributing and learning from the Khan Academy. It is now a nonprofit that creates videos explaining subjects like biology, math, banking and money….Their admirable mission is to give access to knowledge to anyone. I am a big fan of this idea. I have watched a few of the videos and they work for me. They usually consist of a narrator writing on a digital blackboard. For people who might have a concentration or understanding issues, this is great because you can rewatch it as many times as you need. Plus you can download some for .99 cents to watch on your iPod or whatever. Also many people leave useful comments for these videos unlike other ones on YouTube. So if you are having trouble with a subject try this fantastic free service.Below is the NPR interview. Quite interesting.
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