The IPython Notebook
(or 'ipynb' for short) is one of the most exciting technologies for
teaching and research that I've seen in recent years. It is a
completely open source, well architected, and fairly stable system
for scientific computing and data exploration.
In previous years, our tutorials all looked like this: Short read
assembly with Velvet
-- basically, reStructuredText files integrated with Sphinx. This had a lot
of advantages, including Googleability and simplicity; but …