The One World Schoolhouse the boston saga and sets about building a

and sets about building a flying machine

and recorded more CDs than most rock bands

But their delicate balance comes crashing down with the arrival of new dropships from space

What else can go wrong

The One World Schoolhouse the boston saga and sets about building aA free, world class education for anyone, anywhere: this is the goal of the Khan Academy, a passion project that grew from an ex engineer and hedge funder's online tutoring sessions with his niece, who was struggling with algebra, into a worldwide phenomenon. Today millions of students, parents, and teachers use the Khan Academy's free videos and software, which have expanded to encompass nearly every conceivable subject; and Academy techniques are