Red Dwarf (1988)
2 questions since 20 Mar '24, 05:59
Factual error: While it is true that lithium carbonate can be used to treat depression and other psychiatric disorders, it cannot be administered in gaseous form. It is a very stable salt and only starts to form vapour at 1,310 degress Celcius. Spraying it about as a 'mood stabliser' at that temperature, as Kryten does, is going to kill everyone on the spot.
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Answer: According to Rob Grant, Red Dwarf gets propulsion power from the giant rock in her underside and power for the lights comes from the solar panels (which are referenced in the episode 'Confidence and Paranoia'). The diesel engines are likely there for backup purposes.