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How do optical illusions work?
The brain's reaction to neuron feedback in different parts of the visual system enables us to 'see' things that aren't really there.
Jocelyn Duffy is the Director of Public Relations, Mellon College of Science at Carnegie Mellon University
The brain's reaction to neuron feedback in different parts of the visual system enables us to 'see' things that aren't really there.
New research reveals that galaxy clusters are much more complicated than we thought.