In a TED talk, Salman Khan of Khan Academy explains how his homespun educational videos can be part of a broader move to flip the traditional classroom experience: Kids watch lectures online at home, then do their "homework" in the classroom.
Want to learn calculus? In this video, the first in Khan Academy's series of more than 100 on the subject, Khan introduces the idea of limits.
It's OK if math isn't your thing—there are Khan Academy videos on every imaginable subject. Here, Khan embarks on a concise overview of "everything that's happened to Earth since it came into existence."
Read a Q&A with Salman Khan.
Return to Khan's profile.
TODAY IN SLATE
The Democrats’ War at Home
How can the president’s party defend itself from the president’s foreign policy blunders?
An Iranian Woman Was Sentenced to Death for Killing Her Alleged Rapist. Can Activists Save Her?
Piper Kerman on Why She Dressed Like a Hitchcock Heroine for Her Prison Sentencing
Windows 8 Was So Bad That Microsoft Will Skip Straight to Windows 10
We Need to Talk: A Terrible Name for a Good Women’s Sports Show
Cringing. Ducking. Mumbling.
How GOP candidates react whenever someone brings up reproductive rights or gay marriage.
How Even an Old Hipster Can Age Gracefully
On their new albums, Leonard Cohen, Robert Plant, and Loudon Wainwright III show three ways.