Hi, I am Strongart, I am a young mathematician in China. I study maths by myself and make some videos to teach commutative algebra, functional analysis and other topics at the internet just like the Khan Academy and MIT open courses. Somebody asked me who was your advisor, now I tell you that I have no advisor and I am proud of it.
When you were young, following a good advisor is a wonderful thing, you can learn a lot of knowledge quickly, but I do not have this chance. When I was 20...

Recently, there's been a buzz about this result:

Northeastern University Researchers Solve Rubik’s Cube in 26 Moves (May 2007)



<a href="http://www.ccs.neu.edu/home/gene/papers/rubik.pdf">
Twenty-Six Moves Suffice for Rubik’s Cube (Daniel Kunkle and Gene Cooperman)</a>

<blockquote>The number of moves required to solve any state of Rubik’s...