“Where did you go?” This was the first question Christina Rasmussen asked after the death of her husband. A young widow with two daughters, Christina would go on to become an esteemed grief educator who helped countless others rebuild their lives after loss. Even as she and her clients forged new paths and discovered new joy, the same questions remained: Are we capable of connecting to those who have passed on? What really happens after we die? As a professional grounded in science, Christina was a skeptic who shied away from the conventional mystical, supernatural, and religious descriptions of the afterlife—so she turned to what seemed “provable” to unravel the mystery of life beyond life: physics. Bridging the gap between the metaphysical and the measurable, it will change the way we grieve, the way we live and how we define our potential—in this life and the hereafter.