Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Explore a chilling 14-minute video that delves into Project Sundial, one of the Cold War's most terrifying weapons concepts - a doomsday device designed to be the ultimate deterrent. Learn about this devastating bomb that would have created a 400-kilometer radius of destruction without needing to be dropped, effectively serving as an apocalyptic device rather than a conventional weapon. Discover how this theoretical weapon could have plunged the world into darkness and examine how close humanity came to developing such a catastrophic device. Through detailed animations and clear explanations, understand the historical context, scientific principles, and profound implications of this lesser-known chapter in military history.