jkcity writes: "The Sun is reporting that the Mars 500 crew have now broken the record for the longest mission ever enclosed in a metal spacecraft. The spacecraft never went into space though and remained on the ground for the fourteen month mission, instead they have been trying to stimulate the conditions of a real-life mission to the red planet in hopes of helping any future mission."
Thus mathematics may be defined as the subject in which we never know
what we are talking about, nor whether what we are saying is true.
-- Bertrand Russell