The kitchen rule: you can stand in it
The kitchen isn't off limits. What you can't do is volley while you're touching it, and the line counts as part of it.
The Lab notebook
Articles
Longer reads from the lessons: the rule, the drawing and the why.
The two-bounce rule, drawn from above
Why the serving team can't rush the net: the serve bounces, the return bounces, and only then may anyone volley.
How to Start a Pickleball Point: The Court, the Serve and the Return
Court measurements, the legal serve, why depth beats speed, and where each player stands to serve and return in pickleball doubles.