The Khan Academy is a non-profit educational organization created in 2006, by Salman Khan. With the stated mission of “providing a high quality education to anyone, anywhere”, the website supplies a free online collection of more than 2,300 micro lectures via video tutorials stored on YouTube teaching mathematics, history, finance, physics, chemistry, biology, astronomy, and economics.

— Wikipedia on Khan Academy

With so little effort on my own part, I can empower an unlimited amount of people for all time. I can’t imagine a better use of my time.

— Salman Khan (educator)

2011.06.10 Friday ACHK