[EIDXA] Can you explain this

[Tom Vinson]

Yes, it's a myth...we had escherian stair posters in the 1970's...the
poster make the optical illusion like you could climb the stairs back to
the bottom stairwell.

Tom/0v


On Thu, Jun 6, 2013 at 12:01 PM, Tom <wb8zrl at southslope.net> wrote:

> Lots of engineers in this club.  Can anyone figure out how this works???
>
>
> http://www.bitoffun.com/video_vault/escherian-stairwell.htm
>
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