You asked: a haiku on the metric system

An intriguing question from the apache logs: “a haiku on the metric system”. Why yes, we covered that many moons ago in this post as filed in the category of (you guessed it) ‘haiku’. (Wikipedia: what is an haiku, again?) But for the sake of completion, a brand new haiku on the metric system:

millimeters are
not centimeters, a cup
of coffee sounds great.