Complex sentence: The brilliant Murai quickly became head of Aum's team of scientists assembled by Aum Shinrikyo, he was researching a diverse and unusual range of topics, such as electromagnetic pulse weapons, microwave weapons, artificially induced earthquakes and giant plasma weapons positioned in Earth orbit.
Split into simpler sentences: The brilliant Murai quickly became head of Aum's team of scientists assembled by Aum Shinrikyo. He was researching a diverse and unusual range of topics, such as electromagnetic pulse weapons, microwave weapons, artificially induced earthquakes and giant plasma weapons positioned in Earth orbit.