Final answer:
Wilson's cloud chamber helped demonstrate the paths of charged particles. Ernest Rutherford's experiments with alpha particles advanced understanding of the atomic nucleus and later aided in the development of nuclear fission, contributing to the creation of the atomic bomb.
Step-by-step explanation:
Wilson's cloud chamber was an early particle detection device that indeed showed the ion-induced formation of clouds. However, it was later discovered to demonstrate the paths of charged particles emanating from radioactive substances, which paved the way for further discoveries. Among these, the observation and study of streaming alpha particles (α particles) contributed to our knowledge of atomic structure and eventually aided in the development of the first atomic bomb through the understanding of nuclear fission. Ernest Rutherford and his colleagues conducted groundbreaking experiments that involved firing alpha particles at a thin sheet of gold foil and observing the scattering patterns, which led to the discovery of the dense atomic nucleus and later contributed to the understanding of subatomic particle interactions necessary for nuclear fission processes.