Brown’s Gas:

What Is Real, What Is Claimed, and What Remains Open

Thomas Lee Abshier, ND | 13 November 2026

Why I Took Up the Question

I recently worked through George Wiseman’s Brown’s Gas, Book One (Eagle-Research; first published 1995, revised 2002 and 2009), a beginner’s manual on the gas that Yull Brown made famous in Australia in the 1970s. The book is part history, part laboratory notebook, part theory, and part construction guide. It is written by a man who builds things with his own hands, publishes his failures alongside his successes, and refuses to patent his work so that no one can lock it away. I respect that, and I approached the book in the same spirit: to find out what is solid, what is speculation, and what remains genuinely open.

Brown’s Gas sits in a crowded neighborhood. Around it are honest inventors, enthusiastic hobbyists, fringe theorists, outright frauds, and a scientific establishment that has too often dismissed whatever it could not immediately explain. The question underneath all the claims is a large one: Is there a hidden reserve of energy in water — something more than the chemistry textbooks admit — that a clever electrolyzer can unlock? That is the question I want to answer, not just the particulars.

My conclusion, stated at the outset: I stand on the side that Brown’s Gas is real, useful, and remarkable — but that it is oxyhydrogen, an exactly proportioned mixture of ordinary hydrogen and oxygen made on demand from water, and that its striking behaviors are explained by known chemistry and physics. The theory that it carries large amounts of single-atom (“monatomic”) hydrogen and oxygen, and the hope that it can deliver more energy than the electricity that made it, do not survive careful energy accounting. Genuine uncertainty exists, and I will name it, but it is not large enough to rescue these extraordinary claims.

What Brown’s Gas Is

When electric current passes through water made conductive with an electrolyte (lye or potash), water splits: hydrogen bubbles off the negative plate and oxygen off the positive plate. In a conventional industrial electrolyzer, a membrane keeps the two gases apart. In a Brown’s Gas machine, there is no membrane. The two gases leave the cell together, already mixed in exactly the proportion that recombines to make water: two volumes of hydrogen to one of oxygen.

That idea is the genuine engineering contribution. Brown’s own U.S. patents describe it plainly: welding and brazing with hydrogen and oxygen generated in stoichiometric proportion in an electrolytic cell and allowed to mix there, with no diaphragm, and fed through a flashback arrestor to the burner (U.S. Patent 4,014,777, 1977; U.S. Patent 4,081,656, 1978). The patent explains why this matters. Oxyhydrogen welding had always been hampered by the difficulty of holding a neutral flame — neither too much hydrogen (which embrittles steel) nor too much oxygen (which burns the metal). A cell that makes the gas in exactly the right ratio solves that problem automatically.

The concept did not begin with Brown. William Rhodes of Phoenix applied for a patent in 1962 on electrolytic production of mixed hydrogen and oxygen for safe consumption, and the gas was first called “Rhodes’ Gas” before it was called “Brown’s Gas.” Ernst Spirig in Switzerland patented a related series-cell oxyhydrogen generator. Oxyhydrogen itself is far older: Robert Hare of Philadelphia built his oxyhydrogen blowpipe in 1801, producing the most intense heat then known, melting platinum and launching the limelight industry. So Brown’s Gas is an old flame made in a newer and better way.

Yull Brown’s Story

Wiseman tells Brown’s story with obvious admiration. Born Ilya Velbov in Bulgaria, Brown read in Peter’s second epistle that the earth will one day be consumed by fire (2 Peter 3:10), and wondered how a planet of water could burn. He survived imprisonment under the communists and later in Turkey, emigrated to Australia in 1957, worked as an electrical engineer, and began his “fire from water” work in 1972.

His demonstrations were theatrical and effective. He showed a nearly colorless flame, passed his hand through it, bored holes in firebrick, welded aluminum without shielding gas, joined steel to brick, fused glass to brick, and made tungsten vanish in the flame. He showed that igniting the gas in a closed steel vessel produced a soft “ping” and a near-vacuum that pulled water back into the container. He drove a car on his gas and claimed a gallon of water would carry it a thousand miles.

Wiseman also records Brown’s frustration: industries that would not change, institutions that would not believe what they could not explain, and, by Brown’s account, active hostility from interests his technology threatened. Brown eventually took his technology to China, where it was developed into marketable water torches. He died in Australia in 1998.

I take the human story seriously. A man who suffered as Brown did and built working machines from his own insight deserves a fair hearing. A fair hearing, however, means testing the claims, not just admiring the man.

What Wiseman’s Own Experiments Show

The most valuable part of the book is Wiseman’s notebook. He tells you what he tried, what failed, and what he thinks it means. Read carefully; his experiments teach more than his theory does.

Experiment One: high voltage, pure water. He connected copper plates in deionized water directly to 120-volt household current. The water heated rapidly, and nearly all of the “gas” turned out to be steam. He correctly concluded that high voltage without an electrolyte mostly converts electricity into heat. He also reported possible “over-unity” heat. His numbers don’t show it: raising 276 milliliters of water by 30°C takes about 34,600 joules, and he measured about 36,000 joules of electrical input. That is 96% of the input showing up as heat — impressive for an uninsulated jar, but not more than went in. An ammeter reading of a half-amp on a distorted alternating-current load also doesn’t reliably measure power, which likely explains why his comparison with a resistance heater came out differently.

Experiment Two: lye electrolyte, low voltage, capacitor current-limiting. This is where the good engineering appears. Wiseman fed rectified household current through a capacitor in series with the cell. The capacitor limits the current without a heavy transformer, and the cell settles at about 2.1 volts — just enough to push the chosen current through. He found the arrangement far more efficient than a transformer by wattmeter. That finding is correct, though not for the reason he gives. A capacitor in an alternating-current line stores and returns energy each cycle; it consumes almost no real power. The wattmeter is right that real power is small; the volts-times-amps figure at the wall is mostly “reactive” power that sloshes back and forth. The useful work is still the cell voltage times the current. This is good, practical, elegant electrical design. It is not a new physical effect.

The “implosion” in Experiment Two. Wiseman left the cell running with the outlet closed. Gas pushed the electrolyte out until the plates were uncovered. With no liquid to carry current, the voltage across the bare plates climbed toward the line’s 170-volt peak, and somewhere on that rise the gas ignited and collapsed into a vacuum that sucked water back in. He reasoned that this proved he had made Brown’s Gas, because an earlier run with a 12-volt battery did not ignite when the plates went dry.

The simpler reading is that rising voltage across bare plates finally produced a spark, and a spark ignites stoichiometric oxyhydrogen. Twelve volts would not spark across that gap; a voltage climbing toward 170 volts can. The implosion itself is exactly what pure stoichiometric oxyhydrogen must do when it burns in a closed space: three volumes of gas become a few drops of liquid water, and nothing is left over. In ordinary air-fuel combustion, the nitrogen in the air remains as gas and the combustion products expand. With no nitrogen and no excess of either reactant, burning oxyhydrogen leaves essentially empty space behind it. That is the implosion — real, striking, and fully expected.

The Monatomic Theory — and Why It Fails the Energy Ledger

Wiseman’s central theory is that a properly designed Brown’s Gas cell releases hydrogen and oxygen as single atoms (H and O) that do not pair up into ordinary H₂ and O₂ molecules. He offers three kinds of support: the cell stays cool, the gas volume exceeds what ordinary chemistry predicts, and the flame behaves strangely. I will take each in turn, then state the decisive objection.

The excess volume. Brown published a figure of 340 liters of gas per kilowatt-hour, and an Austrian engineer, Harald Hanisch, reportedly measured 368 liters per kilowatt-hour. Wiseman calculated that a cell running at 2.1 volts can produce only about 298 liters per kilowatt-hour of ordinary gas, so he concluded the extra must be monatomic.

The weak link is the assumed 2.1 volts. Faraday’s law fixes how much gas a given current makes: about 16.8 liters (at 0°C and sea-level pressure) for every 26.8 ampere-hours. The electrical energy that costs depends only on the cell voltage. Working it through:

• At 2.1 volts per cell: about 299 liters per kilowatt-hour
• At 1.85 volts: about 340 liters per kilowatt-hour — Brown’s figure
• At 1.70 volts: about 369 liters per kilowatt-hour — Hanisch’s figure
• At 1.48 volts (where an ideal cell neither heats nor cools): about 424 liters per kilowatt-hour

Good alkaline cells routinely run between 1.7 and 2.0 volts. And gas volume grows with temperature: the same gas measured at 25°C instead of 0°C occupies about 9% more space, and more still if it carries water vapor or is measured at altitude. So both reported figures fit ordinary hydrogen and oxygen from an efficient cell. No monatomic gas is needed.

The water-to-gas ratio. Wiseman accepts the published Brown’s Gas figure that one liter of water makes 1,866 liters of gas, and he believes it shows extra volume because he puts ordinary gas at 933 liters. That 933 is a slip in his arithmetic. One liter of water is about 55.5 moles. It yields 55.5 moles of H₂ and 27.75 moles of O₂ — 83.3 moles of ordinary gas, which at standard conditions occupy about 1,866 liters. Brown’s published number is exactly what ordinary diatomic oxyhydrogen gives. Wiseman even states the correct per-gram figure (1.866 liters per gram) elsewhere in the same chapter. If the gas were truly monatomic, the figure would be about 3,700 liters. Brown’s own number therefore argues against the monatomic theory, not for it.

The cool cell. Wiseman observes that a cell making Brown’s Gas stays cool and a cell making ordinary gas heats up, and he attributes the heat to atoms pairing into molecules inside the cell. The ordinary explanation is simpler and testable. Splitting water absorbs energy equivalent to 1.48 volts. Any voltage above that becomes heat in the cell; any voltage below it, the cell draws heat from its surroundings. A cell held near 2.1 volts warms gently; a cell driven at high voltage, as in his Experiment One, boils. Wiseman’s own operating rule — keep the plates at or below about 2.1–2.2 volts, or you will not make Brown’s Gas — is exactly the rule for an efficient, cool-running electrolyzer. His rule is right. The coolness reports the cell voltage, not the form of the gas.

The decisive objection: energy. Here is the point that settles the theory, and it needs no special assumptions. Making ordinary hydrogen and oxygen from liquid water costs about 286 kilojoules per mole of water. Making single hydrogen and oxygen atoms from the same water costs about 971 kilojoules per mole, because you must also break the H–H and O=O bonds that would otherwise form. Electrolysis moves two electrons per water molecule either way. Supplying 971 kilojoules with two electrons requires about 5 volts per cell. Wiseman’s cells run at 2.1 volts. A cell supplying 2.1 volts cannot deliver 5 volts’ worth of chemical energy into its product; the bookkeeping simply does not close. Whatever leaves a 2.1-volt cell, it cannot be mostly free atoms.

Two further facts point the same way. Free hydrogen atoms at atmospheric pressure find partners and recombine within a tiny fraction of a second, releasing their energy as heat; they cannot survive a trip through a hose, a check valve, and a water bubbler. And Brown’s own patent tells us where atomic hydrogen and oxygen do appear in his system: when the mixed gas is deliberately passed through an electric arc. That is a different, well-known process — the “atomic hydrogen torch” principle — in which the arc supplies the large energy needed to split the molecules, and recombination at the work surface releases it. The arc is the energy source. The water was never a hidden battery.

The Remarkable Flame, Explained

The behaviors that made Brown’s Gas famous are real, and every one has a sober explanation.

The “cool” flame. A hydrogen flame radiates very little heat, roughly a tenth of what a hydrocarbon flame radiates, as Wiseman notes. The small torch tips used with these machines (cut-down hypodermic needles) make a tiny flame that loses heat quickly to the surrounding air. A hand passed quickly through it, or a thermocouple held in its plume, can register 130°C even though the flame core reaches roughly 2,800–3,100°C. The flame is not cool. It is small, fast, and nearly invisible in the infrared.

The “material-specific” temperature. Wiseman reports the same flame reading about 130°C in air, 3,100°C on brick, and apparently nearly 6,000°C on tungsten, and he asks where the heat is hiding. A flame delivers heat at a rate; the temperature a surface reaches depends on how fast that surface carries the heat away. Firebrick conducts heat poorly, so its surface climbs nearly to flame temperature and melts. Copper and aluminum conduct heat away rapidly and stay cooler. This is why one flame can heat two materials to two different temperatures at once. It is ordinary heat transfer.

The vanishing tungsten. This is the most cited proof of extraordinary temperature, and it has the clearest explanation. Tungsten does not need to reach 5,500°C to disappear. In an oxygen-bearing flame, it oxidizes to tungsten trioxide, and tungsten trioxide sublimes — passes directly to vapor — at temperatures far below tungsten’s melting point; materials researchers studying fusion reactors measure that sublimation begins at 750–1,100°C. The tungsten is being burned, not boiled. The reaction is also exothermic, which helps it run away once started. A stoichiometric flame on a fine tungsten rod will make it vanish, and it requires no plasma temperatures.

Welding without shielding gas, fusing ceramics. A stoichiometric oxyhydrogen flame is a clean, neutral, carbon-free flame hot enough to melt platinum, porcelain, firebrick, and corundum. Hare was doing this two centuries ago. The burning gas produces only steam, which partly shields the weld. These are genuine, valuable working properties, and they are reason enough to own a Brown’s Gas torch.

The gas that “goes bad” in storage. Wiseman noticed that Brown’s Gas left standing in a container slowly lost its character and left a partial vacuum. Hydrogen is the smallest molecule there is and leaks through plastics, seals, and many container walls faster than oxygen does. As it escapes, the pressure drops and the mixture drifts away from the 2:1 ratio. That accounts for both the vacuum and the poorer flame without invoking a change of molecular form.

The Car That Runs on Water

The claim that drew the most public attention — a car driven a thousand miles on a gallon of water — cannot be true as stated. Water is what hydrogen becomes after it has burned. It is the ash of the hydrogen fire. Splitting water takes at least as much energy as you get back when the gases burn and become water again, and every real engine and electrolyzer loses a large share along the way. A car can run on hydrogen and oxygen made from water only if something else — a battery, an alternator, the gasoline engine itself — supplies more energy than the car then recovers.

The smaller claim, that a little oxyhydrogen added to a gasoline or diesel engine improves combustion enough to save fuel, is less absurd and has been tested many times. Hydrogen does improve combustion stability in some engines, and specially built research systems have shown modest effects. But the kits sold to motorists have not held up. Independent tests, including Popular Mechanics in 2008–2009, the MythBusters program, and the Project Farm test channel, found no meaningful gain; one bolt-on unit drew 15 amperes from the car’s electrical system without making enough gas to break even. Reported gains in the field usually trace to tampering with the engine’s oxygen sensor, which simply forces the engine to run lean.

The same terrain holds a cautionary tale. Court-appointed experts in Ohio examined Stanley Meyer’s “water fuel cell” in 1996 and found nothing but conventional electrolysis; the court also found that Meyer had committed fraud against his investors. Not everyone in this field is a fraud — Wiseman plainly is not — but the history teaches the reader to ask for a meter reading before signing a check.

Why the Larger Claim Remains Plausible to Many

I have argued against the extraordinary theory, but I understand why it persists, and I think those reasons deserve to be stated as strongly as possible.

First, the experiences are real. Anyone who has watched a nearly invisible flame bore through firebrick and then felt nothing when a hand passed through it, or watched a closed vessel slam into vacuum with a soft ping, knows that this gas does not behave like the oxyacetylene in a welding shop. The surprise is genuine, and an explanation that sounds like “it’s just hydrogen and oxygen” feels like a dismissal rather than an answer.

Second, the establishment has earned some suspicion. Wiseman quotes a chemical engineer who said, in effect, that what cannot be explained does not exist. That attitude has buried good ideas before, and the history of science is full of observations dismissed until someone took them seriously. Inventors outside institutions rarely have the instruments for definitive measurements, and institutions rarely spend money testing an outsider’s claim. The result is a testing vacuum that rumor fills.

Third, money and power are genuinely at stake. Energy is the largest industry on earth. Wiseman and Brown both describe interference from vested interests, and Wiseman says he has files of examples. I cannot verify those accounts, and I treat them as firsthand testimony — leads, not proof. But the motive is real, and a reader is not foolish to suspect that a cheap energy technology would meet resistance.

Fourth, there are serious-looking anomalous measurements. In 2006, physicist Ruggero Santilli published in the International Journal of Hydrogen Energy measurements of a gas from a commercial electrolyzer that he called “HHO,” which he argued contained a new kind of bonded cluster he called a “magnecule.” Joseph Calo of Brown University challenged his paper in the same journal, and his colleague J. V. Kadeisvili defended it. The weight of evidence matters here: Santilli’s measurements came from a party with a commercial interest (the electrolyzer company that sponsored the work), they have not been independently reproduced in a way that persuaded the field, and Santilli himself said his “HHO” differs from Brown’s Gas. Still, it is published data, and a reader who finds it credible is not abandoning reason.

Fifth, and most interesting to me as a physician, oxyhydrogen has turned out to matter in medicine. In 2007, a Japanese team reported in Nature Medicine that inhaling low concentrations of hydrogen gas protected rat brains from stroke injury, apparently by neutralizing the most destructive oxygen radicals. Hundreds of studies followed. During the COVID-19 epidemic, a Chinese team led by Zhong Nanshan treated patients with a 66% hydrogen, 33% oxygen mixture made by electrolysis of water — which is to say, Brown’s Gas — and reported improved breathlessness and oxygen saturation; China’s national treatment guidelines included it. That trial was open-label and not fully randomized, so it is suggestive rather than conclusive. But it shows that a gas once dismissed as a crank’s toy is being used in hospitals. When a supposedly ordinary thing keeps surprising us, people reasonably wonder what else we have missed.

None of these reasons rescues the claim of energy from nothing. But they explain why sensible people keep the question open, and they explain why the honest answer is not contempt but measurement.

The Test That Would Settle It

If Brown’s Gas held more energy than ordinary oxyhydrogen, the proof would be simple and inexpensive. Run the cell from a metered supply. Measure the gas volume with temperature and pressure corrected to standard conditions. Burn the gas completely in a water calorimeter and measure the heat released. Ordinary oxyhydrogen releases about 286 kilojoules for every 1.5 moles of gas consumed (including the heat recovered when the steam condenses), and the heat out will always be less than the electricity in. A gas with substantial monatomic content would release much more heat per liter. Compare the result side by side with gas from bottled hydrogen and oxygen mixed 2:1.

That experiment has been available to anyone for a century. Its absence from the Brown’s Gas literature, after fifty years, is itself evidence. I would welcome the result if it showed an anomaly. I would also accept the result if it did not.

My own work in physics keeps me open to the idea that the vacuum and the structure of matter are richer than standard textbooks describe. But openness about deep structure does not license carelessness about bookkeeping. Whatever the deeper reality, its effects on chemistry must show up in the calorimeter, and the calorimeter has not yet shown them.

What I Recommend

For the practical person, Brown’s Gas is worth having. A good water torch makes a clean, adjustable, bottle-free flame from water and electricity, with no carbon, no acetylene cylinders, and a gentle failure mode. Wiseman’s book is a sound introduction to building a small one, and his safety warnings deserve emphasis: oxyhydrogen is an explosive mixture throughout, flashback protection is essential, glass containers can be lethal, and aluminum must never touch a lye electrolyte. His capacitor power supply and his rule of low cell voltage are good engineering in their own right.

For the person hoping water will free the world from fuel, the honest answer is no, not this way. Water is a place where energy has already been spent. Electrolysis stores and moves energy; it doesn’t create it. The electricity has to come from somewhere, and that is where the real energy question lies.

For the person interested in health, hydrogen and oxyhydrogen inhalation is a legitimate area of research with promising early results, and it is worth watching. It does not depend on any unusual theory of the gas; ordinary molecular hydrogen is the active agent.

Evidence, Graded by Kind

• Settled by primary evidence: Faraday’s law; the energy required to split water; the volume of gas per liter of water; the existence and patent history of the common-duct oxyhydrogen generator; the oxidation and sublimation of tungsten oxide.
• Reported by interested parties, not independently confirmed: the 340 and 368 liters-per-kilowatt-hour figures; the over-unity heat claims; Santilli’s magnecule measurements; the thousand-miles-per-gallon claim; the accounts of suppression.
• Firsthand observation, real but open to ordinary explanation: the cool hand-pass, the material-dependent temperatures, the vanishing tungsten, the implosion, the cool-running cell.
• Promising but preliminary: hydrogen and oxyhydrogen inhalation as therapy.

Sources and Their Limits

My main source is George Wiseman, Brown’s Gas, Book One (Eagle-Research, 1995; revised 2002 and 2009). I checked its history and claims against Yull Brown’s U.S. Patents 4,014,777 (1977) and 4,081,656 (1978); the record of William Rhodes’s 1962 patent application and Ernst Spirig’s Canadian patent 1,123,377; histories of Robert Hare’s 1801 oxyhydrogen blowpipe; Santilli’s 2006 paper in the International Journal of Hydrogen Energy and the published exchange that followed; Ohsawa and colleagues in Nature Medicine (2007) and later reviews of hydrogen medicine; the COVID-19 hydrogen-oxygen trial reported in the Journal of Thoracic Disease (2020) and its ClinicalTrials.gov registration; tungsten oxidation studies in Nuclear Materials and Energy (2025); consumer tests of HHO kits; and press accounts of the 1996 Meyer ruling. I did the energy calculations myself, using standard thermochemical values.

This sourcing leans heavily on the mainstream record — patents, peer-reviewed journals, and established press — and that is where curation could hide evidence. Experimenters outside institutions rarely publish in journals, and their results circulate in forums, videos, and private files that I did not examine exhaustively. The suppression accounts in Wiseman’s book cannot be checked from the public record either way. If careful calorimetry showing excess energy exists somewhere in that unpublished world, I have not seen it, and I would gladly examine it.