Maximum gravy: Vi hart, daughter of George & mathemusician at The Khan Academy, cooks mathematical potatoes to go along with a symmetrical Turduckenen. Have a delicious Thanksgiving. [more inside]
posted by growabrain on Nov 22, 2012 - 21 comments

Khan Academy and the Effectiveness of Science Videos is an 8 minute video by Derek Muller that offers some skepticism as to the usefulness of science videos that only teach the facts without investigating existing misconceptions. TL;DW? Here's a 1 minute 29 second version. Too brief? Here's his PhD thesis.
posted by gwint on Jun 14, 2012 - 32 comments

Recent news about free online education.
1, Khan Academy: Google's first employee, Craig Silverstein, is leaving Google and joining Khan Academy. [more inside]
posted by -jf- on Feb 9, 2012 - 39 comments

MathTV is a real problem solver for many. It is also found on YouTube, and is free. Here is some background.
posted by Brian B. on Mar 21, 2009 - 8 comments