This journal is mostly public because most of it contains poetry, quotations, pictures, jokes, videos, and news (medical and otherwise). If you like what you see, you are welcome to drop by, anytime. I update frequently.

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med_cat: (cat in dress)
med_cat: (cat in dress)

Same shade of grey? :)

Dec. 14th, 2013 at 12:00 PM
med_cat: (cat in dress)
These two blocks are the same shade of gray. Don’t believe me? Use your finger to cover the line and the shading in the middle and see for yourself!

Phil Plait gives an explanation of how are brains can be fooled by optical illusions here: http://slate.me/IG3zab

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