Complex sentence: Wade Eiling is a military tactician who blackmails the accused Nathaniel Adam into participating in the atomic experiment that turns Nathaniel into the nuclear being Captain Atom, and causes Adam to disappear for 18 years.
Split into simpler sentences: Wade Eiling is a military tactician who blackmails the accused Nathaniel Adam into participating in an atomic experiment. This turns Nathaniel into the nuclear being Captain Atom, and causes Adam to disappear for 18 years.