Complex sentence: Born in Columbia Heights, Minnesota, Bakken had a long-held fascination with electricity and electronics; a self-described "nerd", Bakken designed a rudimentary electroshock weapon in school to fend off bullies.
Split into simpler sentences: Born in Columbia Heights, Minnesota, Bakken had a long-held fascination with electricity and electronics. A self-described "nerd", Bakken designed a rudimentary electroshock weapon in school to fend off bullies.