Escherian stairwell how is it done
As a result, we see a traffic cone at the top of the stairs in one perspective, but that cones appears to be at the bottom of the stairs in the second perspective.
In reality, the stairs are as flat as a pool table, but shaped just so, with mathematical precision, so that the same drawn-on line intersections appear to be concave from one viewpoint but convex in its mirror-image.
Follow Stephen Macknik on Twitter. Macknik and Sandra Blakeslee. Already a subscriber? Sign in. Thanks for reading Scientific American. Create your free account or Sign in to continue. See Subscription Options. Probably a stolen video. Facebook generates billions of views every day, and stolen content has been an increasingly difficult problem to deal with.
What was it? The l oophole that gave it all away. Are French and Spanish wines that good? Newsletter subscription. Proven tips and tricks to your inbox. Tech Travel Gaming Lifestyle Opinion. Tools Contact us Privacy Policy. Social Media. Facebook-f Instagram. Over the summer, he was taken aback by the flood of pilgrims showing up demanding to see the stairwell. She told us that during her trip with her boyfriend they were arguing in the car about who would do the stairwell first.
When I asked if he had believed in Santa as a kid, he said his parents used to adopt an attitude of bafflement about where the presents came from on Christmas morning. View the discussion thread. Skip to main content.
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