Thursday, February 7, 2008

Still Trust Your Senses?

Julian Beever creates sidewalk art that looks three-dimensional when viewed from a certain angle. Here's one of his creations:

sidewalk illusion art

More pictures of his stuff are available here and here. It's pretty hard to tell that these are two-dimensional drawings. Oh, senses! Why won't you stop deceiving me?!?

ALSO: In a comment on the last post, Jim gave an interesting response to computer simulation skeptical scenarios like the Matrix: perhaps the computer simulation just is our reality. That's what we'd be referring to, after all. When someone stuck in a computer simulation says 'clock,' she's referring to the computer simulation of a clock. Good thinking, Jim! Here's an article on that response.

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