Complex sentence: In quantum mechanics, quantum suicide is a thought experiment, originally published independently by Hans Moravec in 1987 (If MWI is true, apocalyptic particle accelerators won't function as advertised).
Split into simpler sentences: In quantum mechanics, quantum suicide is a thought experiment. It was originally published independently by Hans Moravec in 1987 (If MWI is true, apocalyptic particle accelerators won't function as advertised).