Grumpy Old Geeks Topics Star Trek engine hum as sleep audio Topic Star Trek engine hum as sleep audio 2 mentions in 1 episode The hosts discuss listening to audio of fictional spacecraft engines as background noise. Mentions 435: Pandemic Brain Apr 29, 2020 51:13 the Enterprise engine hum that I listen to as a white noise machine at night 51:51 I think I've got the Romulan engine hum as well.