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Original Usenet message from alt.ascii-art, 8 Jan 2005.
Re: was: Impossible cube

Re: was: Impossible cube

w.t...@math.canterbury.ac.nz (Bill Taylor) wrote in message news:<716...@posting.google.com>...
> Here's another old one from somewhere or other...
> 
>                ______________________________
>               /   ________________________   \
>              /  \ \                      / /  \
>             /  \ \ \                    / / /  \
>            /  / \ \ \                  / / / \  \
>           /  /   \ \ \                / / /   \  \
>          /  /     \ \ \              / / /     \  \
>         /  /       \ \ \            / / /       \  \
>        /  /         \ \ \__________/_/_/_________\  \
>       /  /           \ \_____________________________\
>      /  /            / / _________________________   /
>     /  /            / / /       / / /            /  /
>    /  /____________/_/_/_______/ / /            /  /
>   /_____________________________/ /            /  /
>   \   _________________________ \ \           /  /
>    \  \         / / /          \ \ \         /  /
>     \  \       / / /            \ \ \       /  /
>      \  \     / / /              \ \ \     /  /
>       \  \   / / /                \ \ \   /  /
>        \  \ / / /                  \ \ \ /  /
>         \  / / /                    \ \ \  /
>          \  / /______________________\ \  /
>           \______________________________/
> 

These cubes arent quite as impossible as they look. It is possible to
construct one, and paint/print the necessary bit of misleading pattern
onto the leg, so that when looked at from exactly the right angle, you
see the pic above, when it really is a solid 3d shape.

Put one in a box with a viewing pinhole and you get puzzled onlookers.


Probly not explained it that well...

NT

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From: big...@meeow.co.uk (N. Thornton)
Newsgroups: alt.ascii-art
Subject: Re: was: Impossible cube
Date: 8 Jan 2005 09:24:51 -0800
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