Puzzle Exhibit
A few quick links for you puzzle freaks out there: These articles are all pretty much about the same thing. The NY Times article is best, but requires registration (hence the other links).
This is an impressively large and comprehensive exhibit on mechanical puzzles of all types, including one that is impossible. 
Slocum puzzle exhibit opens next week
IU’s Lilly Library will acquire world’s largest collection of …
Portraits of, and by, the artists
NY Times article on Puzzle Exibit (reg required – or BugMeNot extension for Firefox 
)
