Dept of Mathematics, University of Georgia
A hypertext document survey of the concept of curvature created as an undergraduate student at Brown University during the academic year 1995-1996 and discovered by a Google search in 2003 by Bob Jantzen while nosing around the web for information about Apollonius of Perga.
Its temporary web location (until someone deletes it, if they first discover
that it is there) under the Brown University Juggling Club is:
A copy has been put here at Villanova University for safekeeping with opening web page:
while this index file is:
This web document is certainly worthwhile keeping alive but needs a permanent
http://www-history.mcs.st-andrews.ac.uk/ for example.
For now all the relevant files are contained in a single zipped collection: curvature.zip.
A related article tied together by the
juggling connection with
Topology and Juggling
by Dan Margalit, Neil "Fred" Picciotto, Joseph Llobrera, Sarah Babineau