In this episode of Signals & Synapses, In this episode of Signals & Synapses, we explore ultra-low-field MRI and how meaningful brain images can be made with almost no magnetic field. Join Kai Buckenmaier as he tackles the challenges of ultra-low field MRI, pushing the limits of how little magnetic field is needed to produce meaningful images of the brain. Co-host Dana Ramadan offers a Dana Ramadan offers an ultra-high field perspective for contrast.