MEMS Chips that measure the force of the quantum vacuum have been produced. Should the measured force be the same in all frames of reference? From the standpoint of general relativity the answer is yes, but this means one frame of reference may measure a weaker quantum vacuum in another frame of reference that is moving faster. When that frame of reference accelerates a quantum vacuum gradient is created. This gradient may be responsible for the acceleration measured within that frame of reference. Does this relativize the quantum as Penrose wants? I don’t know how to measure the quantum vacuum in another frame of reference from my frame of reference. If a quantum vacuum gradient were to be created would this cause acceleration?