From: Joe Ruby MUDCRAP-CE
> Subject: What are closures, continuations?

Short answer to closures:
Closures are functions that retain access to local variables declared in
the same scope as the function.

Long answer to closures:
http://www.google.com/search?q=what+are+closures

Short answer to continuations:
http://phrogz.net/ProgrammingRuby/ref_c_continuation.html

Long answer to continuations:
http://www.google.com/search?q=ruby+continuations