Unveil the secrets of the universe with every hot drink! This magic 11oz ceramic mug starts as a sleek, black vessel but, when filled with your favorite hot beverage, it transforms to reveal the title page of Isaac Newton's groundbreaking work, Principia Mathematica. Experience a piece of scientific history with every sip. Note that this magical mug is handwash only and not suitable for the microwave. Not just a mug but a conversation starter, an inspiration, and a daily reminder of the power of human ingenuity.
