Is what we call reality anything more than a construct of the human mind? (Image: Zia Soleil/Getty)
ALBERT EINSTEIN once asked, does the moon exist when no one is looking at it? Such questions had been the preserve of philosophers, but with the discovery of quantum mechanics in the 1920s they became legitimate queries for physicists, too.
Niels Bohr, one of the founders of quantum mechanics, did not believe that science grants us access to an objective reality and insisted that the task of physics was not to find out “how nature is” but only “what we can say about…
