The ring of fins under the pot is a heat exchanger, and it is what makes integrated stoves boil so fast.Photo: Original photo: Michael Pereckas on Flickr Modified by Gazebo on February 3, 2015 with the addition of comment and XMP-cc:License metadata and the removal of JPEG IFD1 (thumbnail) metadata. · CC BY 2.0 · Wikimedia Commons · Open source page
