No, Kumo does not simply boil the rice. As it is advanced fuzzy logic rice cooker, is designed to cook rice using 7 distinct phases to produce perfect rice every time and to carefully retain nutrients. These phases are Preheat, Absorb water, Heating, Boiling, Braising, Absorb water and then finally Keep warm (in this order). This phased cooking and adjustments in temperature are what produces perfect rice every time.