Complex sentence: Max Mercury told him that the formula was merely his way into tapping into the other-dimensional power known as the Speed Force, scientists balked at the idea that the formula gave him power, and that the power was genetic.
Split into simpler sentences: Max Mercury told him that the formula was merely his way into tapping into the other-dimensional power known as the Speed Force. Scientists balked at the idea that the formula gave him power, and that the power was genetic.