Editing Bell test (section)

=== Gröblacher et al. (2007) test of Leggett-type non-local realist theories ===
A specific class of non-local theories suggested by [[Anthony Leggett]] is ruled out. Based on this, the authors conclude that any possible [[quantum nonlocality|non-local]] [[hidden-variable theory]] consistent with quantum mechanics must be highly counterintuitive.<ref name="quantum">{{cite web |year=2007 |title=Quantum physics says goodbye to reality |publisher=physicsworld.com |url=https://physicsworld.com/cws/article/news/27640 |archive-url=https://web.archive.org/web/20071019231848/https://physicsworld.com/cws/article/news/27640 |url-status=dead |archive-date=2007-10-19 }}</ref><ref name="quantum2">{{cite journal |author1=S Gröblacher |author2=T Paterek |author3=Rainer Kaltenbaek |author4=S Brukner |author5=M Zukowski |author6=M Aspelmeyer |author7=A Zeilinger |year=2007 |title=An experimental test of non-local realism |journal=Nature |volume=446 |issue=7138 |pages=871–5 |doi=10.1038/nature05677|arxiv = 0704.2529 |bibcode = 2007Natur.446..871G |pmid=17443179|s2cid=4412358 }}</ref>