Compressed-air rockets. Or H2O2 with a platinum catalyst; "decomposition ... into steam and oxygen"
https://en.wikipedia.org/wiki/Hydrogen_peroxide#Propellant
We're spit-balling hero-bots, not nasty kill-bots, riiiight?
We're spit-balling hero-bots, not nasty kill-bots, riiiight?
Let's invent a new Godwin's law reached when any discussion devolves (upgrades?) into rocket talks.