Carlo Rovelli – “Space is blue and birds fly through it”

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by Carlo Rovelli – “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.” (Submitted on 8 Dec 2017 (v1), last revised 29 Jan 2018 (this version, v5))

arXiv:1712.02894

 

Kurt Schwitters

Kurt Schwitters 1887-1948
Inscribed ’39 Westmoreland Road’ on the back, along part of the support
Oil on wood and plaster construction in painted white frame, dimensions without frame, 16 1/4 x 12 3/4 x 4 (41.3 x 32.5 x 10.2), including frame 19 1/2 x 16 1/4 x 4 (49.2 x 41.3 x 10.2)
c.1942-5
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