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Posted

BRA's provide Support. Thats their purpose.. My name's not Joyce, either.  YOU posted so I commented.  

  "DO I have to explain it for you?" I consider a Put Down. and not called for.  Nev

Posted

A great piece of mathematical and graphical impossibility, the first of which, the "impossible triangle", was devised by Oscar Reutersvärd in 1934, and then expanded on by Roger Penrose and others.

 

The drawing above includes the "impossible trident" in the threaded support drawing, but other equally confusing graphical designs are the Shephard Elephant, and the Impossible Staircase (also called the Penrose Stairs).

 

https://en.wikipedia.org/wiki/Shepard_elephant

 

https://en.wikipedia.org/wiki/Impossible_trident

 

https://en.wikipedia.org/wiki/Penrose_stairs

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Posted (edited)

We've actually got an impossible triangle artwork in the centre of a roundabout in East Perth.

 

The building in the background of the first photo (with the radar dish on the roof) just happens to be the Chinese Consulate in East Perth.

 

Photo

Photo

 

Edited by onetrack
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