Beyond Zero and One (Andrew Smart) / quote 107 of 171
Why the apple stays red
However, an apple still looks red at the beach on a sunny day, and at your desk in your office on a rainy day. There is about a hundred times more light hitting your eye at the beach than in your office—yet the apple is still red. The redness of the apple is entirely constructed subjectively in your brain. It is, however, very useful to be able to distinguish things based…