In simple terms, Mach’s principle argues that distant matter causes local inertial effects. Woodward’s system is based on ideas that 19th-century physicist Ernst Mach proposed about inertia, which is an object’s tendency to stay at rest unless acted upon. SSI at NIAC 2017: Mach Effects for In Space Propulsion: Interstellar Mission” youtu.be But if the results are confirmed, it would suggest the technology could be scaled up.) (To be sure, the level of thrust we’re talking about is barely enough to visibly move an object across a table. What’s more, in 2019 Woodward and his collaborator and fellow physicist Hal Fearn reported a major breakthrough after redesigning the thruster’s mount - a tweak that produced “more than 100 micronewtons, orders of magnitude larger than anything Woodward had ever built before,” as a recent feature in Wired notes. Still, the design intrigued NASA enough to award Woodward $625,000 in funding between 20. Woodward himself was only able to demonstrate miniscule amounts of thrust, while other teams reported little to no thrust when trying to replicate his experiments.
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