Reality check
Horizon (BBC2, Monday) asked, ‘What is reality?’ and didn’t really have an answer. Horizon (BBC2, Monday) asked, ‘What is reality?’ and didn’t really have an answer. Well, it seems nobody does, though plenty of physicists, mathematicians and astronomers are working on it. As the voiceover told us, ‘Once you have entered their reality, your reality may never look the same.’ You can say that again. It appears that quantum particles can literally be in two places at the same time. But we are made up of quantum particles, and we are never in two places at the same time, even if that would occasionally be useful. So maybe there are
