Cliff & Me

In 1997 Cliff Stoll infected me with the "VIRUS CALCULATIS"
...
In 2005 Cliff decided to write an article for SCIENTIFIC AMERICAN about Slide Rules
and asked me to design a  PAPER SLIDE RULE  to be included ...

May 2009 = Visiting BABBAGE's Difference Engine No.2 in the   COMPUTER HISTORY MUSEUM in MountainView, CA   www.computerhistory.org/babbage/   http://www.computerhistory.org/babbage/howitworks/   Explore how it works!

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updated   impressum   03/06/10