Crossing the Red and Blue Pills
A Matrix joke: the cross product of the red pill and the blue pill is a pill orthogonal to both.
Transcript
"What do you get when you cross a red pill with a blue pill?" "Nothing special. Just a pill orthogonal to them both."
Use this cartoon
Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2018-03-07-crossing-the-red-and-blue-pills/ (CC BY-NC 4.0)