Part 4/11:
While biological immortality centers on stopping aging, Kaku introduces the more philosophical concept of quantum immortality, positing that death itself may be an illusion within a framework of quantum mechanics known as the Many Worlds Interpretation (MWI). This idea asserts that every time a life-threatening event occurs, multiple realities split, leading to the possibility that - from our consciousness's perspective - we may continue in a parallel universe where we have survived.