Why do we call them "scalars"?

Name: Why do we call them "scalars"?
Uploaded: 2024-01-06T00:26:08+00:00
Duration: 59 s
Channel: 3Blue1Brown
Description: A link to the full video is at the bottom of the screen.&#10;Or, for reference: https://www.youtube.com/playlist?list=PLZHQObOWTQDPD3MizzM2xVFitgF8hE_ab&#10;&#10;Editing from long-form to short by Dawid Kołodziej...