Kavli Affiliate: Keith C. Schwab | First 5 Authors: Rainer Kaltenbaek, Markus Arndt, Markus Aspelmeyer, Peter F. Barker, Angelo Bassi | Summary: Do the laws of quantum physics still hold for macroscopic objects – this is at the heart of Schr"odinger’s cat paradox – or do gravitation or yet unknown effects set a limit for […]