Beholding the Big Bang

Related to an earlier work Machine with Concrete, the motor drives a series gears designed to reduce its input speed such that it will take 13.7 billion years to turn the final gear in the train, embedded in a concrete block, once.  This is the estimated age of the universe.  (At the moment of construction.  The estimate is always changing!)

This piece is currently on exhibit at the MIT Museum in Cambridge, MA