The Dean System Drive is a self-contained propulsion system not requiring the loss of mass.

Archive for June, 2010

Inertial Mass Separate From Gravitational Mass?

Einstein’s statement of the equivalence principle-
A little reflection will show that the law of the equality of the inertial and gravitational mass is equivalent to the assertion that the acceleration imparted to a body by a gravitational field is independent of the nature of the body.

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