Professor's door is an excellent Trompe-l'œil Unknown 10:10 When I saw this photo, I thought "so?" It took about 30 seconds to figure it out. Image: Imgur Share: Email ThisBlogThis!Share to XShare to Facebook Related Posts:Cowardice: After killing Net Neutrality in a torrent of lies and sleaze, FCC Chairman Ajit Pai cancels his CES appearanceA train station with walls designed using cellular automata "Rule 30"Virtually every modern computer is vulnerable to a pair of devastating attacks, and there's only a fix for one of them, and it sucksFreaky drum set configurations that are totally metalSouth Carolina GOP reps propose monument to the zero black Confederate combatants who served in the Civil War