# Education

Online Education. Udacity - Educating the 21st Century. OpenStudy: Study Together. Lets compile a list of the best online learning centers. We could all use a little education.

### Language

"Waiting for Superman": What it Means for You and Your Child. Every president, from Johnson to Obama, has made big promises when it comes to “fixing” education in America.

And almost every parent, from then until now has asked themselves an essential question—“Is my child getting a good education?” Regardless of neighborhood or income, it’s a concern that keeps parents up at night, and the answer rests at the heart of a national firestorm brewing over education. Ted. Math. Nature. The Messenger Series. Mathematics | 18.06 Linear Algebra, Spring 2010 | Video Lectures | Lecture 1: The geometry of linear equations.

### Fun

Science. Physics. Astrophysics I « Physics Made Easy. Luminosity: Fλ is the radiative flux at the stellar surface.

Energy may be lost due to neutrinos or direct mass loss. Flux: At the Earth’s surface, observed flux is Stellar flux. Mathematics | 18.06 Linear Algebra, Spring 2010 | Video Lectures.