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A reactionless drive is a hypothetical device producing motion without the exhaust of a propellant.A propellantless drive is not necessarily reactionless when it constitutes an open system interacting with external fields; but a reactionless drive is a particular case of a propellantless drive that is a closed system, presumably in contradiction with the law of conservation of momentum.
Rogue Space Systems announced that the satellite is equipped with an "experimental propulsion" system, referred to as a "quantum drive," developed by IVO Limited. The satellite's testing program includes a 60-day resting period post-launch to stabilize its orbit, accounting for initial perturbations such as outgassing .
In the general relativistic field propulsion system space is considered to be an elastic field similar to rubber which means that space itself can be treated as an infinite elastic body. If the space-time curves, a normal inwards surface stress is generated which serves as a pressure field.
Atmosphere-breathing electric propulsion, or air-breathing electric propulsion, shortly ABEP, [1] is a propulsion technology for spacecraft, which could allow thrust generation in low orbits without the need of on-board propellant, by using residual gases in the atmosphere as propellant. Atmosphere-breathing electric propulsion could make a new ...
The Casimir effect was investigated experimentally and analytically under the Breakthrough Propulsion Physics project. This included the construction of MicroElectroMechanical (MEM) rectangular Casimir cavities. [3] [15] Theoretical work showed that the effect could be used to create net forces, although the forces would be extremely small.
James F. Woodward (born 1941) [citation needed] is a professor emeritus of history and an adjunct professor of physics at California State University, Fullerton.He is best known for a physics hypothesis that he proposed in 1990, later expanded, that predicts several physical effects that he refers to as 'Mach effects'.
The Army helicopter that collided with a passenger jet last week in Washington had its tracking technology turned off at the time of the crash, U.S. Senator Ted Cruz told the New York Times. The ...
In the case of directed propulsion, which is driven by a chemical gradient, this is referred to as chemotaxis, observed in biological systems, e.g. bacteria quorum sensing and ant pheromone detection, and in synthetic systems, e.g. enzyme molecule chemotaxis [3] and enzyme powered hard and soft particles.