Self-regulating kettle
Peter Evonuk. Self-regulating Tea Kettle. 2004.

Steel, copper, walnut, tin.

“…boiled water is a benchmark of human achievement. Vessels utilized for this sanitizing state change have been available since before recorded history, yet with the exception of changing materials and aesthetic preference, very little has been done to improve the kettle. An early innovation, the “lid”, was developed to expedite the process to a certain degree and keep crap out of your water. More recently the steam whistle was invented and today, informs us of active boiling wile releasing pressurized steam. The Self-Regulating Tea Kettle is designed to offer a significant contribution to the evolution of this venerable instrument …”

More here and in Spanish here.