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In other words, does Uranus perturb Saturn's motion a measurable amount?
United States patent number 5,952,600 is for a non-lethal weapon to disable an engine such as that of a fleeing car, by means of a high voltage discharge that perturbs or destroys the electrical circuits.
He suspects that this change perturbs chemical signals relayed to sperm in the epidydimal tract.
He suggests that when the mutant subunit is exposed to alcohol, it perturbs the normal action of the GABA receptor, disrupting the cerebellum's fine control of muscle movement and causing individuals to stagger and fall.