Many scientists, particularly Hobbes, had argued that a vacuum could not exist and claimed that Boyle's results obtained with the vacuum pump must be the result of some as yet undiscovered force.
Maraming mga siyentipiko, lalo na Hobbes, had argued na ang isang vacuum ay hindi na umiiral at inaangkin na ang boyle ang mga resulta na nakuha sa vacuum pump ay dapat na ang resulta ng ilang bilang pa undiscovered force.