Primarily, the nbconvert tool allows you to convert a Jupyter .ipynb notebook document file into another static format including HTML, LaTeX, PDF, Markdown, reStructuredText, and more. nbconvert can also add productivity to your workflow when used to execute notebooks programmatically.
NX Files. NX Files is an action martial arts multi-season video series broadcast online. Created by Robert Baldwin, John Purchase, Alain Moussi and Stephan Roy; the webisodes are filmed and produced in Orleans, Ontario, Canada. [1]
But for now it is enough to understand that 1) any computer data is just an array of hex bytes, and 2) a hex editor is a program that shows the true contents of a file, and lets you edit the data you normally can't.