"Space is blue and birds fly through it"

TL;DR

This paper discusses a relational perspective on quantum mechanics, emphasizing physical variables over quantum states, and explores its philosophical implications.

Contribution

It offers a new presentation and update on the relational interpretation of quantum mechanics, highlighting its philosophical significance.

Findings

Relational perspective clarifies quantum variables' role.

Updates on the interpretation enhance philosophical understanding.

Emphasizes physical variables over quantum states.

Abstract

Quantum mechanics is not about 'quantum states': it is about values of physical variables. I give a short fresh presentation and update on the $relational$ perspective on the theory, and a comment on its philosophical implications.