http://www.wired.com/wiredscience/2011/12/coffee-pot-physics/
I was reminded elsewhere of the HTCPCP error code 418
http://www.flickr.com/photos/girliemac/6508102407/in/set-72157628409467125
(see: www.ietf.org/rfc/rfc2324.txt
Any attempt to brew coffee with a teapot should result in the error
code "418 I'm a teapot". The resulting entity body MAY be short and
stout.
)
