Early this morning, while you were sleeping, or working, or reading Twitter, the Sun had different plans: it erupted, blasting an immense tower of plasma upward off its surface:
Coursera is an online service offering free courses, with support from several major universities, including Andrew Ng's Stanford (for those who don't know the name, besides being co-founder of Coursera, he is a teacher of Statistics and Machine Learning, and his excellent course in ML can be found on Youtube -- mandatory viewing for those in the...
