a nerve 'impulse' [=a wave of electrical energy that is carried through the nerves to the brain]
Shopping with a credit card can lead to 'impulse buying'.
He had to resist the 'impulse' [='urge'] 'to shout'.
(..) Doctor? Doctor, we must evacuate now! Captain Kirk Yes! We have % impulse. Great work, Mr. Scott! Maximum impulse towards the nebula! Ay! Krall, the ship runs into nebula. Cut it's neck. (..)2016 Star Trek Beyond
(..) All personnel to emergency stations. I have hull breaches in levels to , , , and , sir. Captain, in a sec I could reroute the energy from the warp core to the impulse engines. Evacuating have no need, we have to do it. Do whatever you have to, Scotty. Keenser let's go. The door is opened, Krall. (..)2016 Star Trek Beyond