I came here to mention the Woodward Effect. I had never heard of it until last week when someone here on HN mentioned the blog of Tom Mahood (a former master's

I came here to mention the Woodward Effect. I had never heard of it until last week when someone here on HN mentioned the blog of Tom Mahood (a former master's student of Woodward) in an entirely different context (namely: UFOs). It ended up sending me on a deep dive into the subject and, ultimately, led me to an article by Mahood[0] about the Woodward effect. The upshot is: > But Tom, is this stuff ……real? > I….don’t…. know. And I say that after being involved in chasing it down for 10+ years. At this point, I see arguements on both sides. > Fundamentally, the mathematics are extremely compelling. I have yet to come across anyone credible in General Relativity who can say why the derivation is incorrect. About as damning as I’ve heard is something along the lines of, “Wait,…This can’t be right….But I don’t know why it’s not right”. The math is straightforward. > The effect (or something like it) has been demonstrated in a wide variety of different types of devices and experimental setups. Something has been observed if it’s merely capacitors being shuttled back and forth, but also with later generation devices composed of all PZT discs. > […] > As time progressed and the experimental apparatus more refined, the “effect” seemed to get smaller, and that’s a REAL bad sign. It was already well below what the theory predicted. That sets off alarm bells. After all this time, if something isn’t in hand to float around a table top, its should still at least be producing unequivocal results. [0]: https://www.otherhand.org/home-page/physics/graduate-studies-in-physics-at-cal-state-university-fullerton/ https://www.otherhand.org/home-page/physics/graduate-studies...