angry tapir writes: "A Japanese robotics lab has developed a new emergency response prototype that will soon be put to work at the crippled Fukushima Daiichi nuclear plant in northern Japan. The robot, called "Rosemary," is about the size of a lawn mower and has four extended treaded feet that swivel up and down to help it climb over obstacles."
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