A reactionless drive is a hypothetical device producing motion without the exhaust of a propellant. A propellantless drive is not necessarily reactionless...

The Dean drive was a device created and promoted by inventor Norman Lorimer Dean (1902–1972) that he claimed to be a reactionless drive. Dean claimed that...

interaction, would be a reactionless drive, violating the conservation of momentum and Newton's third law. Claims that a drive is reactionless are generally considered...

radio enthusiasts. In April 2009 Russian news media reported that a 'reactionless drive' had been tested on the spacecraft. "Specialists of the Institute...

Alcubierre spacetime is a solution) IXS Enterprise Quantum vacuum thruster Reactionless drive Spacecraft propulsion Unruh effect Agnew, J. (16 August 2019). "An...

rocket Photonic railway Pitch drive Plasma bubble Quantum telescope Quantum vacuum thruster Quasite Ringworld Reactionless drive RF resonant cavity thruster...

Layer Thruster Magnetic field oscillating amplified thruster A photonic drive interacts only with photons. Electrodynamic tethers are long conducting...

Direct Fusion Drive (DFD) is a conceptual, low radioactivity, nuclear-fusion rocket engine, designed to produce both thrust and electric power, suitable...

Diametric drive Disjunction drive Pitch drive Bias drive Photon rocket Quantum vacuum thruster Nano electrokinetic thruster Reactionless drive Abraham—Minkowski...

that would protect the crew. Orion is one of very few interstellar space drives that could theoretically be constructed with available technology, as discussed...