Mainstream classical mechanics
Conservation Laws and Momentum
Standard physics says propellantless propulsion violates momentum conservation; Chase suggests vacuum interaction could bypass this
Scientists / Papers
Standard physics principles
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Theories Citing This Reference (2)
EM Drive Real and Classified
EM drive and similar propellantless propulsion technologies are real and have been developed at Lockheed Martin and other defense contractors for decades
Engineering via Metal Oxides
Advanced propulsion can be achieved using standard electrodeposited metal oxides (nickel cobalt) to store charge, negating the need for exotic materials.