When we think of a nuclear explosion, we imagine the blinding flash, the fireball, and instant destruction. But the real danger begins after the blast. In this cinematic IMAX-style documentary, we explore the invisible and long-lasting effects of nuclear radiation — from Acute Radiation Syndrome to DNA damage, cancer development, genetic mutations, and environmental contamination. Radiation cannot be seen or smelled, yet it silently enters the body, damages cells, and alters the very blueprint o