What Did Tesla Know About Gravity?
I’ve been thinking and reading about gravity and UAP and Tesla for many years, and I just keep finding myself coming back to a few thoughts:
Spacetime is a unobserved, and feels like bullshit placeholder. The physical content of GR is about how things move along geodesics in response to energy distributions. And that same physical content could in principle be reproduced by a different mathematical framework, such as a field theory on a flat background or an emergent geometry from an underlying quantum field.
If there is a universal quantum field, then all the things we call forces are nothing more than excitations in said field.
Tesla was the Ramanujan of electricity, and everything he worked on involved EM fields (particularly rotating EM fields)…if anyone alive could have arrived at this truth from a practical perspective, he could have.
UFOs / UAP are fascinating…while I’m highly skeptical of the alien explanation, I see no reason why we couldn’t have built these ourselves, given the above.
Why, exactly, do most UFO / UAP have one of 3 shapes? Disc, triangle, or cylinder? What is so special about those shapes?
What would have to be true about physics for the reported characteristics of these craft to be true?
Having approached this from a few different directions, I’ve come to the following…give it a read and let me know what you think :)
When people talk about Nikola Tesla, they usually focus on the typical stuff: the AC motor and the Edison feud, the pigeons and the celibacy and the death ray claims and the weird hotel room habits.
But did you know that Tesla spent the last decades of his life working on something he called his “Dynamic Theory of Gravity,” and he claimed he’d solved it?
He said it would “put an end to idle speculations and false conceptions, as that of curved space.” He was convinced Einstein had taken a wrong turn, that curved spacetime was fundamentally the wrong model. Even Einstein, after developing GR, said space must have physical properties and you can call that an ether if you want.
Tesla thought gravity was a field effect, something that could be manipulated with the right technology.
Tesla and Einstein disagreed on the formalism but were actually converging on the same underlying intuition: there's something physically real filling space, and both gravity and electromagnetism are manifestations of it.
Alas, Tesla died before publishing any of it, and most physicists had written him off as a crank by then anyway…
But what if Tesla was onto something real?
Tesla thought in fields, always fields. Never particles, never geometry. Just fields and waves interacting with a medium. His entire sequence of inventions were built on that foundation, and he had one insight that nobody else had at the time: rotating fields are fundamentally different from static fields. He’d literally invented the AC motor based on this principle.
He knew from direct experience that when you take electromagnetic fields and make them rotate through phase relationships (not mechanical spinning, phase relationships), you get effects you can’t get any other way. His whole career came from this one insight.
So when he turned his attention to gravity, what do you think he focused on?
Rotating electromagnetic fields.
What I find most interesting though is the following…not only does the math back him up, but the most commonly reported UFO / UAP shapes, all of which seem to defy gravity in an unconventional way, align with optimal shapes for generating and using rotating electromagnetic fields.
First the math.
When you write down how electromagnetism couples to gravity in standard GR, you get one term. E² + B². Light has energy, energy curves spacetime, done. Everyone knows this one.
But there’s a second possible term. E·B. The dot product of the electric and magnetic field vectors.
Standard GR doesn’t include it. E·B is a pseudoscalar, which means it flips sign under parity (mirror reflection). And Einstein’s gravity is parity-symmetric. So in standard GR this term is forbidden. It literally can’t couple to curvature without breaking a symmetry that GR assumes is sacred.
Physicists have actually explored this. Chern-Simons modified gravity (Jackiw and Pi, 2003) explicitly couples parity-violating terms to gravity, and there’s an active literature testing for parity violation in gravitational wave observations. So far, no experimental evidence in the regimes they’ve tested. But those tests involve weak-field, far-field conditions, not engineered rotating field configurations at high intensity. They were looking for the right effect in the wrong place.
But if gravity isn’t due to curvature in a separate “spacetime” manifold, but rather if gravity is what happens when energy creates gradients in an underlying quantum field, then the parity rules of the spacetime metric don’t apply anymore. What matters is how the field actually responds to energy configurations, not what some geometric abstraction says is allowed. And E·B is a real, physical field configuration. It measures the helicity of the electromagnetic field, its chirality, its handedness. E² + B² tells you how much energy is present. E·B tells you how that energy is twisted. That’s a fundamentally different kind of information, and if the underlying field responds to chirality, not just magnitude, then E·B matters.
E·B equals zero for almost every electromagnetic configuration you normally encounter. Pure electric field? Zero. Pure magnetic field? Zero. What about perpendicular E and B, or plane electromagnetic waves like light and radio where E and B are always perpendicular? Also zero.
You can get nonzero E·B from static fields if you deliberately align E and B along the same axis. Stick a solenoid inside a parallel plate capacitor and you’re there. But that gives you a fixed, localized E·B locked to your hardware geometry. You can’t steer it, modulate it, or scale it to cover useful volumes. You can make it strong in a small region, but you can’t do anything useful with it.
When does E·B become useful?
When the fields rotate.
When you have a helical, phase-configured, rotating electromagnetic field, E and B develop parallel components through the near-field region. E·B becomes non-zero, coherent, sustained, and controllable. And only then does this second coupling term produce anything that matters for engineering. Only then do you get anomalous gravitational effects you could actually build around.
Tesla figured this out without the math. He didn’t have quantum field theory or lattice gauge theory. He had intuition.
And I suspect he was right.
So what does this mean for building something?
If you wanted a craft that exploits E·B coupling, you’d need rotating electromagnetic fields configured so E·B is maximized and concentrated where you need it. This constrains your geometry hard. You can’t just slap magnets on a box. The shape determines the field configuration, and the field configuration determines whether E·B is zero or useful.
Given these constraints, you end up with just a handful of geometries that make engineering sense: a disc, a triangle, or a long cylinder.
The disc is the classic flying saucer.
If you arrange electromagnetic emitters in a ring around a central axis and phase them with helical progression, you create fields that spiral along the disc’s axis, not just rotate in the plane. In the near-field region, these helical fields develop the parallel E and B components you need. E·B concentrates along the central axis, and the steep gradient of that concentration is what produces force perpendicular to the disc. Want to go up? Disc horizontal. Want to go sideways? Tilt the disc. The disc shape also gives you a natural toroidal field geometry, fields wrapping around the craft in a donut pattern, which is inherently stable.
The disc is the most commonly reported UFO shape, by a lot. Across decades and cultures.
The disc works, and is perhaps the simplest shape for this technology, so that’s what people see most.
Next we have the triangle.
These show up in UFO reports constantly, especially the big slow-moving ones that hover over cities like they don’t care who’s watching. Why triangles? Three-phase power. Tesla’s original AC system used three phases, 120 degrees apart. This is still how we transmit power today. It’s also the most efficient way to generate a rotating field from fixed emitters: put a field emitter at each vertex of a triangle, phase them 120 degrees apart, and you get a rotating field in the center.
The triangle also gives you natural thrust vectoring. With a disc, thrust is always perpendicular to the disc plane. You tilt the disc to steer. With a triangle, you can adjust the relative phase or amplitude at each vertex and shift where E·B concentrates without tilting the craft. This explains why triangular craft are often reported moving at odd angles relative to their orientation. They don’t need to bank to turn. They can vector thrust electromagnetically.
Then there’s stuff like the “tic-tac,” which showed up in the Nimitz encounter in 2004.
Basically a cylinder with rounded ends. Why this shape? Cylindrical symmetry with a preferred axis. Wind electromagnetic coils in a helical pattern around a cylindrical core and you generate a rotating field that propagates along the cylinder’s axis. E·B concentrates along the length, with a gradient that drives force in that direction. This is your high-speed transit configuration. The tic-tac isn’t optimized for hovering or maneuvering. It’s optimized for hauling ass in one direction. Point and go. Commander Fravor’s encounter matches this exactly. The tic-tac dropped from 80,000 feet to sea level in seconds, then zipped off toward a rendezvous point 60 miles away.
Why not spheres?
You might think a sphere would be ideal, being symmetrical in all directions. But that’s exactly the problem. Spherical symmetry means no preferred concentration of E·B anywhere. Everything cancels. You need broken symmetry to get directional thrust, and spheres don’t break symmetry at all. You don’t see a lot of spherical UFO reports, and the ones you do are probably something else entirely.
So the shapes fit. But shapes aren’t the only thing witnesses report. There’s a whole list of characteristics that show up over and over in credible UAP encounters, and every single one of them falls out of this physics naturally.
Insane acceleration: We’re talking objects going from a dead hover to hypersonic in less than a second. Thousands of g’s. Anything with a pilot inside should be paste on the back wall. But if your drive works by generating a local gravitational field gradient, everything inside the craft is in freefall within that gradient. This is just the equivalence principle, the same reason astronauts on the ISS feel weightless even though they’re accelerating constantly. If the craft generates its own gravitational field and then falls through it, there are no differential forces on the structure or anything inside it. Zero g-forces at any acceleration. You could pull 10,000 g’s and not spill your coffee.
Speeds of 40,000+ mph in atmosphere: At those speeds you’d expect a massive fireball, sonic booms that shatter windows for miles, plasma trails across the sky. None of that gets reported. But a craft running high-intensity rotating EM fields at GHz frequencies is surrounded by field strengths that would ionize the air around it into a plasma sheath. Plasma has a lower effective density than air and fundamentally different aerodynamic properties. The craft wouldn’t be pushing through air so much as sliding through a self-generated bubble of ionized gas. And if the gravitational drive is pulling the craft rather than pushing it, there’s no compression shock at the front. No shock wave, no sonic boom.
Transmedium capability: These things go from space to atmosphere to underwater without slowing down. That makes zero sense for any propulsion system that pushes against a medium. Propellers work in air. Propellers don’t work in space. Rockets work in space. Rockets don’t work great underwater. But a gravitational field gradient doesn’t care what medium it’s pulling through. The craft is falling through its own self-generated gravity well. Air, water, vacuum, it’s all the same. The medium is irrelevant because you’re not interacting with the medium for propulsion.
No visible means of propulsion: No exhaust. No jets. No propellant. Of course not. The drive is electromagnetic. Rotating fields generated by internal emitters. There’s nothing to eject, nothing to burn, no reaction mass. The energy goes into field generation, not into heating and throwing mass out the back.
Little to no heat signature: Conventional propulsion is basically controlled combustion. Hot exhaust is the entire mechanism. But E·B coupling converts electromagnetic energy into gravitational field effects. There’s no combustion. The emitters generate heat from resistive and dielectric losses, sure, but that heat is internal and can be managed. From the outside, you see a cold object. No infrared plume. No thermal trail.
No control surfaces: No wings, no fins, no ailerons, no rudder. Why would you need them? Aerodynamic control surfaces exist to redirect airflow and generate differential lift. If your thrust comes from field gradients that you steer electronically by adjusting phase and amplitude at your emitters, the air has nothing to do with it. The craft’s orientation relative to the airflow is irrelevant. Which is exactly why triangular craft get reported moving sideways or at angles that would be aerodynamically impossible.
Difficult to photograph clearly / distorted: Two things here. First, the intense EM fields ionize the surrounding air into a plasma envelope. Plasma has a different refractive index than air, so light passing through it bends. The craft looks blurry, shimmery, indistinct. Second, if the craft is generating genuine gravitational field gradients, those gradients bend light directly. Gravitational lensing. Same effect we see around black holes, just at a vastly smaller scale. The combination of plasma refraction and field-gradient lensing would make these things genuinely hard to photograph clearly even at close range.
Silent hover: No rotor wash, no engine noise, no hum. The drive operates at GHz frequencies, billions of cycles per second. Human hearing tops out around 20,000 Hz. The operating frequency of the drive is roughly a million times above the audible range. There are no moving parts. No air being pushed downward to generate lift. The craft sits in its own gravitational field gradient and just...stays there. Silent.
Every one of these characteristics has been treated as evidence that UAPs must be exotic or even non-terrestrial technology. And maybe they are. But none of them require exotic physics beyond what falls out of E·B coupling to a gravitational field. They’re all just consequences of the drive mechanism.
There’s also frequency to consider. Tesla pushed toward higher frequencies throughout his career. Colorado Springs and the magnifying transmitter. Always higher. He believed high-frequency oscillation was the key to accessing new phenomena.
He was right about that, but probably not how he thought.
The vacuum has structure, quantum field theory tells us that much. But it’s not vibrating at one clean frequency like a tuning fork. There’s no single Planck oscillator humming at 10^43 Hz with neat sub-harmonics you can tune into. The energy spans all frequencies.
But the underlying field does have structure at specific scales. If gravity is a field effect and not a geometric one, then the field has coherence lengths and correlation scales. And any medium with internal structure has frequencies where energy couples in efficiently and frequencies where it just bounces off. Think impedance matching. You’re trying to drive a field at a frequency where it actually absorbs what you’re putting in instead of reflecting it.
Whatever the real scales of quantum gravity turn out to be, they set the coupling windows. And if the relevant correlation lengths fall where the math suggests, the efficient coupling frequencies land in ranges we can actually generate. GHz. Microwave. Not accessible in 1943. Accessible now.
This is why random experiments with strong magnets don’t produce anti-gravity. Wrong frequency, wrong field configuration. You’re pushing on a door that only opens if you knock at the right rhythm.
Tesla’s high-frequency intuition was correct. He just didn’t know how high to go or why specific frequencies would matter.
The power requirements are brutal if the coupling is as weak as naive estimates suggest. We’re talking field strengths we can barely achieve in labs, at GHz frequencies, sustained. Unless there’s enhancement from hitting the right frequency. If you match the field’s coupling window exactly, the coupling amplifies. Maybe by orders of magnitude. At which point power requirements drop into the “difficult but not impossible” range. Megawatts, not petawatts.
Whoever built these things must have figured that out.
So here’s where we end up…Tesla figured out that rotating electromagnetic fields interact with gravity differently than static fields. He didn’t have the math, but he had the intuition. Building on this requires rotating field geometry, high frequency operation in the GHz range, extreme field strengths, and precise phase control. None of that was achievable in 1943.
The shapes in credible UFO reports match these constraints exactly. You see discs when the mission is hovering or general maneuvering, and triangles when electronic thrust vectoring matters more than simplicity. You see tic-tacs when speed is the priority and agility isn’t. And you don’t see spheres or cubes or flying wings or anything resembling conventional aircraft.
The geometry is constrained by physics, and the observed geometries fit.
If this physics works the way I increasingly think it does, then whoever is flying these things figured out what Tesla was working toward. Either some classified program cracked it and has been sitting on the technology for decades, or someone else figured it out first. I don’t know which is more unsettling, but the shapes aren’t arbitrary. They’re consequences of rotating field physics.
Tesla had the first piece, but he died before working out the rest experimentally, and then the US Government seized his work.
Based on the technology and understanding of EM fields in Tesla’s day, could he actually have arrived at this?
Yeah, actually. And this is one of the stronger parts of the argument.
Think about who Tesla was and what he had access to. By the 1890s, he had more hands-on experience with rotating electromagnetic fields than any human being alive. He’d built polyphase AC systems from scratch. He knew the mechanical effects of rotating fields intimately because he’d literally engineered motors around them. He’d spent years at Colorado Springs pushing oscillators to higher and higher frequencies and voltages, observing effects that nobody else was producing because nobody else had the equipment.
And his entire worldview was fields. He didn’t think in particles. He didn’t think in geometry. He thought in fields interacting with a medium. When you spend decades working with rotating fields and you think everything is fields, the question “does a rotating field interact with gravity differently than a static one?” is not a weird question. It’s actually the most natural question a person with his specific background would ask.
He could have noticed anomalous mechanical effects in his high-power rotating field experiments, things that didn’t match the expected electromagnetic forces. Weight changes in equipment, unexpected forces on nearby objects, vibrations that didn’t correlate with any mechanical source. At the power levels and field configurations he was running at Colorado Springs, he was producing rotating EM field intensities that essentially nobody else on Earth was producing. If there’s any coupling at all between rotating EM fields and gravity, even a tiny one, he was the single most likely person on the planet to stumble into it experimentally.
Could he have produced actual gravitational effects? Almost certainly not at useful magnitudes. His frequencies were in the kHz range, not GHz. His field strengths were impressive for the era but nowhere near what the math says you’d need. If the coupling exists but requires GHz frequencies and extreme field strengths to become significant, then what Tesla would have seen is at best a faint anomaly. Unexplained but not reproducible at will. Enough to convince him something real was happening, but not enough to demonstrate it to anyone else or build a theory that physicists of his era would accept.
And that matches the historical record perfectly. He claimed he’d solved gravity, he said he had a complete theory, but he never published it, never demonstrated it, and couldn’t convince the physics establishment. That’s exactly what you’d expect from someone who’d caught a faint whiff of a real effect but didn’t have the technology to nail it down. He had the intuition and possibly some marginal experimental hints. He didn’t have GHz oscillators, modern materials, or the theoretical framework to formalize what he was seeing.
So yes. Given his unique combination of deep rotating-field expertise, a field-centric worldview, and access to high-power EM equipment that nobody else had, Tesla arriving at the concept that rotating electromagnetic fields interact with gravity is not just plausible, it’s arguably the most natural conclusion a person in his exact position would reach. The remarkable part is that the math, developed a century later, actually supports the direction he was pointing.
Given the full resources of the US Gov, and the scientific minds alive at the time, if they got Tesla’s notes in 1943, could they have had something working by 1947?
Yes.
Tesla died on January 7, 1943. The Office of Alien Property seizes his papers within days. John G. Trump, an MIT electrical engineer specializing in high-voltage equipment, reviews them and publicly declares them of no significant value. But Trump wasn’t a random bureaucrat, he was one of the top high-voltage and EM field guys in the country, working on Van de Graaff generators and radar. If Tesla’s notes described anomalous effects from rotating EM fields, Trump was one of maybe a dozen people on Earth qualified to understand what he was reading.
Now look at what the US government had available in 1943…
GHz technology already existed. The cavity magnetron was developed in 1940 at Birmingham, shipped to the US as part of the Tizard Mission, and was being mass-produced for radar by 1943. The entire MIT Radiation Laboratory (where Trump worked, by the way) was dedicated to microwave technology. So the frequency range Tesla couldn’t reach was already accessible.
The Manhattan Project had demonstrated that the US government could take a theoretical physics concept, throw essentially unlimited resources and the best scientific minds in the world at it, and produce a working device in about 3 years. The organizational infrastructure for secret, massive-scale physics engineering already existed and was running at full capacity.
After the war ended in 1945, you have a sudden surplus of both talent and motivation. Thousands of physicists and engineers coming off the bomb project, looking for the next thing. Operation Paperclip is importing German scientists. The Cold War is spinning up and the military wants every possible advantage. Funding is effectively unlimited for anything that looks like it could produce a strategic edge.
So the question becomes: what would they have needed to do between 1943 and 1947?
First, understand what Tesla was describing. If his notes contained observations of anomalous forces during high-power rotating field experiments at Colorado Springs or later, plus his theoretical framework (however informal), that gives you a starting point. You don’t need Tesla’s theory to be rigorous. You just need his experimental observations to be real. Then you reverse-engineer the physics yourself with the talent you have on hand.
Second, reproduce the effect. Build high-power rotating EM field generators at GHz frequencies and see if you get anomalous forces. With the MIT Rad Lab’s microwave expertise and Manhattan Project-level resources, you could probably build and test prototype field generators within a year. If the effect is real, you detect it. If it’s not, you shelve the project.
Third, if the effect is real, engineer it into something that flies. This is the hardest step. Going from “we measured an anomalous force” to “we built a craft that hovers” is a massive engineering leap. But it’s the same kind of leap that went from “we achieved a self-sustaining nuclear chain reaction in a squash court” (December 1942) to “we dropped a working bomb on Hiroshima” (August 1945). Two and a half years from proof of concept to deployed weapon, with sufficient resources and motivation.
The 1943-to-1947 timeline gives you four years. That’s tight but it’s not impossible if the coupling effect turned out to be stronger than naive estimates suggest (which the post already discusses as a possibility), if Tesla’s notes contained actual experimental data rather than just philosophical musings, and if the project got Manhattan Project-level priority.
The first wave of modern UFO sightings starts in 1947. Kenneth Arnold, June 24, 1947. Described objects that moved like saucers skipping across water. Roswell, July 1947. The timing is exactly what you’d expect if someone took Tesla’s 1943 notes, spent a year understanding them, spent a year reproducing the effect, and spent two years engineering a prototype. That’s an aggressive schedule, but it’s the same pace the Manhattan Project ran at.
The counterargument is that John G. Trump really did find nothing of value, Tesla really was just an old man making grandiose claims by 1943, and the timing with 1947 UFO sightings is pure coincidence. That’s possible.
But it requires you to believe that the guy who invented the entire AC power system, who had more hands-on rotating field experience than anyone alive, who specifically claimed to have a theory of gravity based on field effects, had absolutely nothing useful in his notes. And that the government seized those notes, classified them, and returned most but not all of them to his estate out of pure bureaucratic momentum.
Could they have had something working by 1947? If the physics is real and Tesla’s notes contained experimental data, yes. The technology, the talent, the funding, and the organizational infrastructure all existed. Four years is tight but the Manhattan Project proved that timeline is achievable when the motivation is there.
Last but not least, you know what’s REALLY funny?
While a lot of folks have written Bob Lazar off as a liar and nut (and maybe he is, I dunno)…what he described, his “Sport Model” UFO, fits all of the above to a T 😅
So, there you have it. Quite a lot to wade through, but everything fits neatly and makes perfect sense (to me anyway).
Let me know in the comments what YOU think!