"“In a sense, mirrors are the best ‘virtual reality’ system that we can build,” said Marco Bertamini of the University of Liverpool. “The object ‘inside’ the mirror is virtual, but as far as our eyes are concerned it exists as much as any other object.” Dr. Bertamini and his colleagues have also studied what people believe about the nature of mirrors and mirror images, and have found nearly everybody, even students of physics and math, to be shockingly off the mark. (...}
Mirrors Don’t Lie. Mislead? Oh, Yes., di Natalie Angier, The New York Times, 22 luglio 2008.