Congress forcing a compromise(d) Space Shuttle design on NASA. Among other things, the space shuttle was the first human space vehicle to use solid rocket boosters. Solid rocket boosters were previously deemed unsafe for human space flight because once they're lit, they don't stop boosting until the fuel is gone. Liquid-fueled rockets can be shut off.
Definition of conductive. : having conductivity : relating to conduction (as of electricity)
Definition - What does Electrical Conductivity mean? Electrical conductivity is the reciprocal process of electrical resistivity. It measures the ability of a certain material to conduct electrical currents. It can be represented by the letters sigma (s) or kappa (k). In standard international units, it is represented by siemens per meter (S/m).