user since
Tue May 11 1999 at 09:43:41 (10.6 years ago )
last seen
Sun Sep 1 2002 at 17:05:07 (7.3 years ago )
number of write-ups
1 - View penrose's writeups (feed)
level / experience
0 (Initiate) / 7
most recent writeup
Five Bridges

Penrose, a mathematician who is known mostly for his book impossible objects which features impossible shapes later popularized by the famous dutch artist M.C. Escher...

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