Showing posts with label cold fusion. Show all posts
Showing posts with label cold fusion. Show all posts

Monday, January 20, 2020

How to Predict the Future: Confessions of a Modern Cassandra


Telling the truth has always been dangerous and the original Cassandra, the Trojan prophetess, had to suffer the consequences for what she said. But there is a more interesting question: how did she manage to be right while everyone else got it wrong? Here I tell you of my experience as a modest 21st century Cassandra, with my blog. (if you like to hear the story told by the prophetess herself, you can read it here and here.)




It is traditional at the start of a new year to make predictions, but this time I would rather go back to what I have been doing for the past more than 15 years of blogging and social media activity. I have been dealing with several different subjects and, in some cases, I made predictions or I offered my assessments. How right (or wrong) was I?

I think my record was not so bad as a Cassandra. And from this record, I think there are three rules for good (let's say decent) predictions:

1. Always trust thermodynamics
2. Always mistrust claims of marvelous new technologies
3. Always remember that the system has unpredictable tipping points

So, below you'll find a list of what I think were my main successes and failures.
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So, let's start with where I was right.  


2002 - The Hydrogen Economy is a Hoax. 2002 is the year when Rifkin published his book titled "The Hydrogen Economy." I had been working on hydrogen and fuel cells for some time while at the Lawrence Berkeley Laboratory, in Berkeley, and I knew very well that things were not so easy as Rifkin painted them in his book. But, in the beginning, I have to confess that I tried to follow the crowd in search of research grants. Then, I thought it over and I decided that I had to say what I thought: this idea won't work. And I was right: 20 years later, no trace of the hydrogen economy, no hydrogen vehicles on the road, no production of hydrogen from renewable energy. Here is a 2007 post of mine on this subject

2003. No Nuclear Weapons in Iraq.  I don't think I had a blog at that time, but I did write an assessment of mine in Italian on whether it was likely that Iraq could have had WMDs in the form of nuclear weapons. My conclusion was that it was not possible: Iraq lacked the conditions and the infrastructures needed. As a result, I was vilified and insulted in various ways and told that if I loved Saddam so much, why didn't I go live in Iraq? But you know how it ended. I haven't been able to find that article of mine, but it is mentioned in this post.

2005. The compressed air car (Eolo) is a scam.  The car running on compressed air is an idea that remained alive in Europe for some 10 years, starting in 2005. A French inventor, Guy Negré, claimed that he could mass-produce a vehicle that he called the "Eolo" that could compete with other technologies in terms of price and performance. I was skeptical from the very beginning on the basis of some simple calculations. And I was right. No matter how I was insulted by some diehard followers of the Eolo, more than 10 years later, Mr. Negré is no more with us, but his Eolo car never appeared on roads.

2005. Electric Cars are the future. Already in 2005, I bought myself an electric scooter and I started writing articles where I promoted electric vehicles as a good technology that could alleviate several problems we have: traffic, pollution, climate change, etc. I was right in thinking that EVs would become fashionable, even though it took some time for decision-makers to understand the point. Even today, EVs face strong resistance from an unholy alliance of oil companies, carmakers, and environmentalists. But they are going to replace traditional vehicles in the coming years.

2008. Oil prices will go down. You remember how, in 2008, oil prices had started a rally leading the barrel to be priced at $150. There was a moment of panic in which everyone was expecting prices to keep climbing even higher. They forgot that prices are the result of a compromise between offer and demand and that, since demand cannot be infinite, prices can't, either. So, in 2008 I published a post on "The Oil Drum" where I argued in this sense and I proposed that prices would go down. It was what happened.

2011. Andrea Ross's e-cat is a scam. In 1989, I had witnessed the first claims of "cold fusion." The story swept through the scientific world like a tsunami, but it turned out to have been a mistake. It also triggered infinite attempts of imitation, some of which were outright scams. One was the story of the "E-Cat" invented by Andrea Rossi in Italy. After some initial attempts of assessment, it was clear to me that it was a total hoax, and I said that more than once. Actually, it should have been clear to everybody, but Rossi generated a group of faithful followers who engaged, among other things, in insulting and vilifying the unbelievers  - I never received so many insults in my life as I did from this bunch of madmen. Now, almost 10 years after the first claim by Rossi that he would soon start mass-producing his machine, I think it can be said that it was a hoax. Find the story here.

2011. The Limits to Growth was Right! In 2011, I published my first assessments of the story of "The Limits to Growth," study and later on, a book titled "The Limits to Growth Revisited," my first book in English. I re-examined the whole story how of the study was rejected and demonized, widely described as containing "wrong predictions". I concluded that there was nothing wrong in the book and that its rejection was one of the first examples of a negative PR campaign designed to discredit scientific results that were considered harmful to some political or industrial lobby. My assessment was among the first studies that led to a re-evaluation of the study that's still ongoing. It is still early to say if one or another of the 12 scenarios published in the 1972 book was "right" but there is no doubt that the study is now considered a milestone in the understanding of complex systems, as it deserves to be. In this sense, I had made a correct prediction.

2016. The "Sower's Way:" Photovoltaic Energy is the future. Here, I have been always a sustainer of PV energy, since 2005, when I placed PV panels on the roof of my house. I think I was right too, especially when PV reached "grid parity" with other technologies producing electric power. But it is moving onward. I marked the "2016" date because it is when I published a paper dealing with the concept of the "Sower's Way," that is, that we need to invest fossil energy to build up the new renewable energy infrastructure. We are moving in that direction, although facing a dogged resistance by groups of greenies who have decided that we all have to die in the darkness.



Now some cases in which I turned out to be wrong.

 
2003 -- Peak oil in 2010. Here, I don't think I ever made a peak date prediction myself, but I have been a "peak oiler," among other things the president of the Italian section of ASPO, the association for the study of peak oil. So, I share the blame for the two mistakes that peakers made. The first was to focus on the "peak" as if it was an equivalent of the apocalypse and spending inordinate amounts of time to try to predict the exact date when it would arrive. The second was to underestimate the importance that "non-conventional" oil could have had. We didn't realize that shale oil is not so much an economic resource as it is a strategic dominance weapon. There have been several predictions (including mine) that the shale "bubble" was going to burst, but so far it has not.

2005 -- EROI is a metric that can help us choose the best alternatives for the future.  When I discovered the concept of EROI (energy returned on energy investment) or EROEI (energy return on energy invested), developed by Odum and Hall, it was a small epiphany for me: here was an objective, scientific, rational way to evaluate the best technologies for the future. I wrote my first paper on the subject in 2005. That text became rather popular in Italy. But I didn't imagine what the reptilian part of human brains could do when it understood what EROI was and what could it be used for. The concept was stretched, massacred, mongrelized, cut to pieces and made into a stew, and more. Whoever had an interest in making a certain technology look good could find ways to juggle the numbers and assign to it a high EROI. The reverse was also possible if one wanted to demonize a certain technology. So, you can find studies that assign an EROI <1 to photovoltaics and > 100 to nuclear energy, and also the reverse. At this point, EROI has become a useless metric, destroyed by too much politics applied to it.

2009 -- High Altitude Wind Energy. In 2009, I published on the Oil Drum a positive assessment of high altitude wind energy, in particular of the prototype being developed in Italy, the Kitegen. I was way too optimistic. High altitude wind power turned out to be much more difficult to develop than it had seemed to be at the beginning. There is nothing in the idea that goes against the laws of physics but, evidently, there are big problems, probably related to the control of the kites. Today, 10 years later, high altitude wind energy remains an unfulfilled promise, even though there still exist companies engaged in the field. I continue to think that this technology can play a role in the future, but it won't be the game-changer it seemed to be 10 years ago.

2019 - Greta Thunberg: the unexpected storm.  In 2018 I published a post in which I examined the trends of the "climate change" meme, concluding that the public interest for it was declining and that soon nobody would have been interested in it anymore. I was wrong: in 2019 Greta Thunberg appeared, changing everything. As I wrote in a later post, I made the classic mistake that all forecasters make: thinking that past trends will also be future trends. Sometimes it is true, at times it is deadly wrong, as in this case. It is curious to note how the young Swedish lady has been playing in the real world the role that Asimov's character, "The Mule" played in the "Foundation" series: something outside statistics and unpredictable by models.

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There may be more things wrong and right that I said, after all, I calculated that I infested the Web with something like 3 million words, up to now! So, if you remember something I wrote that was egregiously wrong or right, tell me in the comments, I'll see to add it as a note to this post.

Overall, maybe I could have done better, but I think that if Lady Cassandra is seeing me from wherever she is now, in Hades, she may be nodding in approval!



Sunday, January 29, 2017

Another Defeat for Science: "Metallic Hydrogen"




This blob is supposed to be "metallic hydrogen" according to the claim of a group of Harvard scientists. Maybe. For sure, it is another disaster for the reputation of science and of scientists.


Another day, another disaster for Science. A group of researchers from Harvard claimed of having obtained for the first time "metallic hydrogen" in their laboratory. That gave rise to a series of improbable claims about the cornucopia of abundance that humankind could obtain from the discovery. Especially lyrical was "The Independent", in an article that was soon retracted and replaced with a more sober one their page, where they now say it was all a mistake. But the first article contained such gems as:

Now, in a stunning act of modern-day alchemy, scientists at Harvard University have finally succeeded in creating a tiny amount of what is the rarest, and possibly most valuable, material on the planet, 

metallic hydrogen could theoretically revolutionise technology, enabling the creation of super-fast computers, high-speed levitating trains and ultra-efficient vehicles and dramatically improving almost anything involving electricity. And it could also allow humanity to explore outer space as never before.

And more like this, and thank God they didn't mention flying cars but they got close.

Now, let's examine this story. First of all, "metallic hydrogen" is a legitimate target of investigation. It was theoretically predicted already about a century ago and believed to exist in the core of giant planets. From here onward, however, the whole story is just a mix of fantasy and bad science.

The claim comes from a test in which the researchers placed a sample of hydrogen inside a diamond anvil and compressed it at very high pressures. At some point, they saw something shiny appearing and they concluded that it was "metallic hydrogen." Immediately afterward, they proceeded to publish their story with all the associated outlandish claims of spaceships, alchemy, ultra-efficient vehicles, etc.

Now, when you start a career as a scientist, you are told that

1) Your experiments should be repeatable.

2) There be should be always proof - say, a blank test - that what you claim is not an artifact of your experimental setup.

3) You should never claim anything for which you have no evidence.

Consider this as a checklist and you'll see that the Harvard researchers should mark all three items as "failed." (1) Unbelievable but true: they didn't repeat their experiment, they didn't make a blank experiment, and they engaged in wild fantasies on what their result could mean or, at least, they didn't object on such fantasies being reported over the press.

Note that it is perfectly possible that the blob in the anvil could turn out to be metallic hydrogen but, at present, there is no justification for this early claim. Besides, there is strictly zero proof that metallic hydrogen could turn out to be stable at or near room temperature and hence useful for the multiple claimed miracles. To say nothing of the fact that a diamond anvil processes micrograms and it would be interesting to calculate how many of these anvils would be needed to produce the tons of fuel needed to power a spaceship (hint: trillions).

More evidence, if it was ever needed, of the general decline of science, underfunded, poorly organized, pushed and pulled in all directions at the same time by politicians, businesses, journalists, the public, and more - a disaster. And the results are what you would expect: the general defeat of science that we are witnessing nowadays.

The big problem, here, is that a lot of people are clearly starting to perceive that some scientists are trying to fool them. They don't like that and they may well arrive at the conclusion that all scientists are trying to fool them. And that's very bad because there are still plenty of good scientists who are producing good science and who are trying to alert humankind of the dangers ahead. But, in the general sinking of the scientific ship, bad and good science are lumped together and sent heading to the bottom.

Can this trend be reversed? Hard to say but, at least, we should do something to avoid that the overinflated ego of some scientists continues to lead science into this kind of disasters.




(1) Incidentally, this is exactly the same series of failures that we can attribute to Stanley Pons and Martin Fleischmann when they claimed to have discovered "cold fusion" in 1989. An even worse defeat for science, whose consequences are still felt.



Tuesday, March 3, 2015

The Willie Soon-gate: why it is a very bad idea not to disclose one's potential conflicts of interest in scientific research



Willie Soon, scientist at the Harvard-Smithsonian took over $1 million from fossil fuel companies to finance his studies and he failed to disclose his conflict of interest in the papers he published, where he denied the human role on climate change.


A few years ago, someone discovered that I owned shares in a company working on new technologies in wind power. That generated an attack against me on the part of some supporters of cold fusion.

The attack was based on a sort of an Aristotelic syllogism that went like this: thesis: Ugo Bardi has criticized cold fusion; antithesis: Ugo Bardi has invested in wind power; synthesis: Ugo Bardi criticizes cold fusion only because he wants the money he can make with wind power. Yes, the level of the debate can get this low! (*)

Of course, these accusations were totally absurd, but, for a while, the attack gained some traction on the web and it generated a wave of insults and smears against me (some details are here - in Italian). This initial success was based on the claim that I had been hiding something dark and shameful that could be unveiled only after a difficult investigation. Unfortunately for those who had started the attack, my involvement with that company was no secret and discovering it needed no investigation. I had publicly stated it at least three years before! I just had to point out my previous disclosure to see the whole brouhaha deflating and dying out.

This story shows how important it is to disclose all of one's potential conflicts of interest, no matter how unlikely and remote they may be. Of course, given the present level of the debate, whatever you do, you'll be always misunderstood, but, if you do it openly, you are much less vulnerable. It is a lesson that was lost on Dr. Willie Soon. In the scandal known as the "Willie Soon-gate," he failed to disclose that his scientific papers in which he denied the human influence on climate had been financed by the fossil fuel lobby. And that is a clear and direct conflict of interest. I am sorry, Mr. Soon, but this is not only unforgivable, but just silly: did you really think nobody would have noticed? Now, you have no defense against the attacks you are receiving.

In the end, as long as conflicts of interests are openly disclosed, I think their importance shouldn't be exaggerated. We should judge a scientific thesis for its merit, not on the basis of who funded it. In this sense, you may perhaps know that the first study on "The Limits to Growth" (1972) was financed by Volkswagen. They never tried to influence or modify the results of the study, even though I suppose that they were not happy about having paid for a work that arrived to the conclusion that their core business was doomed in the long run!


I have already disclosed my investments in companies working in sustainability. I did that in my blog Italian (here). Now, let me do that again, but in English, adding also some notes about the sources of my research funds, just in case.

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Disclosure: Ugo Bardi's investments and research grants in sustainability. 

First of all, note that I am a government employee living on my salary, hence I can't create big companies or finance large PR campaigns. Nevertheless, I could save a little money in my career, so that I thought I could invest part of it in activities that I believe are good for humankind and - maybe - make a little money in the process. If you ask me if that worked out, well, I can cite the old story that there are three ways for a man to ruin himself: the fastest is with gambling, the most pleasurable is with women, and the surest is with high technology. But I am not completely disappointed, either. I believe that some of these companies will come out as winners in the long run. Here is the complete list:

Alterenergy s.r.l. (Photovoltaic energy)
Retenergie (Renewable energy)
Wind Operations Worldwide (new wind technologies)
Zefiro s.r.l. (Robotics and remote sensing, with some interest in renewable energy and waste management)
In addition, I have a 2.6 kW photovoltaic plant on the roof of my house. I also have royalties on some of the books I have published but, so far, I think I would have made more money if I had spent my time in weaving baskets and selling them.


About the sources of my research grants, most are from public grants dedicated to materials science, only indirectly related to renewable energy and sustainability. Only once I had a grant from a company involved in photovoltaic cell manufacturing (First Solar). All the sources of financing are declared in the papers I publish.



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(*) About the media attack I describe in the main text, I can also add that it was not directed only against me, but had as another target Ms. Sylvie Coyaud, journalist of the Italian newspaper "La Repubblica" who had also criticized cold fusion and its practitioners. The attack against her, however, was much nastier and a number of anonymous idiots insulted her in terms that bordered on sexual harassment. In addition, she was accused to have been inspired by me for all what she had written about cold fusion, with the clear implication that a woman can't understand anything of these complicated matters. As we say in Italy, "there is no limit to the worst" ("non c'è limite al peggio").

Friday, March 16, 2012

The sinking of the E-Cat

This post is a modified version of a post by the author which appeared in Italian on "NuoveTecnologieEnergetiche"



Above: the cruise ship "Costa Concordia", Italian technological marvel, sunken after hitting a reef in front of the "Giglio" Island in January 2012. Recently, we saw the sinking of another pretended technological marvel from Italy, the cold fusion reactor called "E-Cat;" destroyed by its own contradictions.


It was Captain Kirk of the starship "Enterprise" who said that it is not a good idea to put oneself in a no-win situation. Good advice that was not taken by Mr. Andrea Rossi, inventor of the "E-Cat," the cold fusion device that he claimed to be able to solve the world's energy problems. After having been unable to show that his device produces energy, Mr. Rossi stated that he didn't need any more tests because he could now proceed to market it in millions of pieces. But, in reality, Mr. Rossi had simply placed himself in a no-win situation. The E-Cat is now fast sinking, hit by the contradictions of its inventor.

Let's start with what Rossi himself had declared about his E-Cat. He said that it is based on the fusion of hydrogen and nickel nuclei (see Rossi's patent) and that gamma rays are produced during operation (see here) so that lead shields had to be placed inside the device. Rossi also said that he was building a factory in the United States where he would produce E-Cats by the millions; to be sold as water heaters for people's homes. According to some recent statements by Rossi, the device had been undergoing safety testing for months at Underwriters Laboratory. 

It couldn't go unnoticed in Florida that someone was claiming to be producing nuclear reactors in large numbers. On February 24, an officer of the State of Florida Bureau of Radiation Control went to investigate what was going on in the pretended "E-Cat factory" in Miami. There, he found no factory, but an apartment and Andrea Rossi in person. Questioned on the E-Cat, Rossi declared that "no nuclear reactions occur inside the device." Rossi also stated that all the facilities for testing and production are "overseas," and that safety certification with Underwriters Laboratory will be arranged in the future. The officer then left, writing in his report that his bureau has no jurisdiction over a device which has nothing nuclear inside. (The complete documentation is here, comments can be found here and here. Rossi himself confirmed the story here.)

No matter how we want to see this story, it is clear that Rossi has been victim of his own "no-win" strategy. First, he claimed that he had developed a nuclear device, but he never could provide convincing proof. So he said that he didn't need proof because he could just produce and sell the device - the market would judge it. But if he wanted to produce and sell the device, then he would have to obtain the necessary certifications. And how to obtain the necessary certifications after having declared that the device is based on nuclear reactions and it emits gamma rays? Surely, Rossi's word is not enough to prove that shielding with lead foil is sufficient to remove gamma rays. Maybe there are arcane reasons (as claimed in this paper) that reduce, or even eliminate, gamma ray emission. But just the possibility of such an emission would required extensive investigations and years of work in order to provide the necessary certifications. So, you see? If it is nuclear, Rossi can't sell it. If it is not nuclear, who would buy it? A classic no-win situation. 

In the end, lacking experimental proof, the idea that the E-Cat produces energy rests only on Rossi's statements that say, basically, just "trust me". But after the Florida story, it is clear that this is, also, a no-win strategy. How can you trust Rossi after so many contradictions? Where is the E-Cat factory that he said was in the US and then, no, it is overseas? And where is the safety testing (not) being done? Incidentally, if, hypothetically, the E-Cat were really producing nuclear reactions, we should think of Rossi as a dangerous criminal who lied to the Florida officer about his plans to produce and sell without the necessary safety certifications a device that generates gamma rays. That Rossi can't be trusted has been clearly perceived also by Rossi's supporters, who have been abandoning the sinking ship: for instance Sterling Allan. The University of Bologna had wisely disengaged from Rossi already in January.

So, the E-Cat has reached the end of the line. It still maintains some faithful supporters, but, most likely, it will soon fade away in the darkness of pathological science, where it belongs. There remains a question: how is it possible that so much time and energy has been lost in this incredibly story?  Well, there has to be something wired wrong in the human mind but, at least, from this story we can learn what mistakes we should avoid. As Captain Kirk said, never put yourself in a no-win situation by believing without proof in salvific inventions.



Other posts on the E-Cat story on "Cassandra's Legacy"


The E-Cat loses steam (July 2011)
Peak E-Cat (Dec 2011)
 The Anti-Cassandra Curse (March 2012)
The E-Cat horror (March 2012)

Sunday, December 18, 2011

Peak E-Cat

Number of searches of the term "E-Cat" according to Google Trends

The interest in the "E-Cat", the supposed "cold fusion reactor" invented by Andrea Rossi and Sergio Focardi, is waning. You can perceive that clearly from the activity of the various sites dealing with it; while "Google Trends" confirms that the trend is indeed down. After a flare of curiosity that peaked in november 2011, people found that there was nothing to see about the E-Cat except some purported "demonstrations" that didn't really demonstrate anything. So, they lost interest. 

What remains of the E-Cat is a core of diehard supporters - especially in Italy. - who will likely keep the myth alive for a long time. It is typical and well known: "free energy" theories never die. Today, people are still discussing the supposed free energy devices attributed to Nikola Tesla and that go back to almost a century ago - poor Tesla is probably still rolling over in his grave. And, in the meantime, plenty more cranky theories have been proposed. In this field, the E-Cat will remain remarkable for the amount of noise it generated when compared to what little evidence (actually, none) was presented.

About the E-Cat, you may be interested in two well thought and in depth articles that demolish Rossi's claims at their basis.


Wednesday, July 27, 2011

The E-Cat loses steam



The "Energy Catalyser" (E-Cat) is a device that has been reported by two Italian scientists to be able to solve the world's energy problems by means of a nuclear fusion reaction. Unfortunately, there are serious doubts about these claims. In the figure above (from a paper by Peter Ekstrom ) you see one of the problems with the E-Cat: the trickle of the steam produced by the device in operation is way too small to indicate that it actually produces energy. (This post was published on "The Oil Drum" on 27 July 2011)
 

Andrea Rossi and Sergio Focardi have recently claimed the development of a device (the "energy catalyser" or "E-Cat") able to produce useful energy from low temperature nuclear fusion reactions. If it were to work as reported, the E-Cat would be a true revolution not only in science, but also in everyday life. We would have a simple device able to produce plenty of low cost energy without generating significant pollution and we could say good-bye to the energy crisis and to global warming as well. In a previous post of mine on "The Oil Drum," I examined the E-Cat leaving open the possibility that it was a real fusion device. Here, I re-examine the question on the basis of new data. It looks now very unlikely that the E-Cat can work as claimed.

The E-Cat idea is rooted in the early work by Martin Fleischmann and Stanley Pons who, in 1986, had claimed to have succeeded in fusing deuterium nuclei together ("cold fusion") and in obtaining an abundant source of cheap energy. However, the claims of Fleischmann and Pons were based on flawed experimental measurements and it turned out that there was no such thing as cold fusion in their setup. That didn't deter other scientists from looking for similar phenomena; a search that continues to this date. Rossi and Focardi have reported that they have been able to fuse nickel nuclei with hydrogen ones at low temperatures, generating copper nuclei and useful energy in the process. Accdording to their claims, the reaction must be started by providing some energy to the reaction cell, but the excess heat produced may be 30 times larger or even more.

The initial reactions to the claims by Rossi and Focardi were of cautious interest (for instance by myself and by Kjell Aleklett) or even of straight endorsement (e.g. by Hanno Essen and Sven Kullander ). However, these initial reactions were based mainly on the statements by the inventors of the E-Cat. In science, there is a shared belief that when a colleague tells you of something he/she has done, you don't assume right away that the measurement is wrong, a hoax, or a scam designed to make money. However, when the measurement is important; when it is crucial for the development a new theory or disproving an old one, then it must be shown in detail that it was correctly performed and that it can be independently repeated. Of course, inventors don't have to show how exactly their invention works, but it is in their best interest to show that it works.

So, let's examine the situation of the E-Cat as it stands at present. No direct evidence for a nuclear reaction inside the device has been reported, as would be, for instance, the emission of gamma rays. The only evidence available is indirect and it comes from the large amount of excess heat that is claimed to be produced by the reactor. As the only basis of the claim of nuclear reactions taking place, the excess heat (if any) produced by the reactor should have been measured with extreme care and with all the necessary precautions necessary to insure that it is significant. Unfortunately it appears that this is not the case. The set up for the heat measurements looks inadequate and amateurish; the results are unclear and repeatability has not been demonstrated. It appears legitimate to think that the claim of "cold fusion" by Rossi and Focardi rests on poor evidence, or even or no evidence at all.

A reasonably reliable calorimetric measurement of the heat produced by the E-Cat could be performed by cycling cooling water inside an insulated tank and measuring the temperature of the water. Knowing the amount of water, it would be possible to obtain a first estimate of the heat produced. That, in itself, would still not be enough. The heat measurement would have to be validated by replacing the E-Cat with a resistor and then measuring the power needed to heat the water at the same temperature as with the E-Cat in action. But the crucial test would be a "blank" one in which it would be shown that there is a significant difference in the heat generated by a functioning E-Cat and by a device where the "catalyser" is absent.

It is clear, however, that the inventors of the E-cat did nothing of that sort. They didn't close the cooling cycle, they let the steam vent out and they estimated the amount of heat created by assuming that all the water passing through the E-Cat is vaporized. That's obviously a very poor set-up that guarantees large errors simply because there is no way to be sure that all the water is vaporized. Yet, it is clear from this movie that this is the way the measurement was interpreted.

Even a poor experimental set-up can still tell you something if you use some elementary precautions. Simply using two E-cats, one "active" and the other without the catalyst, it may be possible to see a difference if the excess heat exists. But Rossi has refused to address the question of a blank test. It may be worth mentioning at this point that the downfall of the 1986 "cold fusion" claims by Fleischmann and Pons started when they could not demonstrate to have peformed a blank test in their experiment.

Overall, Peter Ekstrom has a convincing point when he shows that the E-Cat is not producing any excess heat. As an answer Rossi could find nothing better than calling Ekstrom "a clown". This answer was subsequently deleted from Rossi's blog, but it can still be found on the web, for instance here. This is just an example Mr. Rossi's general attitude regarding those who criticize him. To all this, we may add other suspicious elements. Steven Krivit has correctly described several of the weak points of the claims by Rossi and Focardi. Then, we may add that the measurements made in Sweden showed that the copper purportedly created by nuclear transmutation in the E-Cat has the same isotopic composition as natural copper. That is simply not possible.

Of course, all this does not prove that the E-Cat cannot work as described, but the burden of proof rests on the inventors and it is clear that they are far away from being able to show that their device is an energy producing machine based on nuclear fusion. It seems that the E-Cat story is rapidly moving to the realm of 'pathological science' . Grand claims of scientific revolutions supported by little or no evidence, ambitious recipes on how to save the world by some miracle machinery, gobbledygook masked as scientific theorizing, ad hominem insults to non-believers, etc.; it is a well known pattern. From now on, we may expect to see another wave of conspiracy theorizing related to the E-cat. That, too, shall pass.

Sunday, May 22, 2011

Cold fusion and the energy problem



Back in 1989, "Newsweek's" front cover featured the apparatus that Martin Fleischmann and Stanley Pons had claimed to be able to fuse deuterium nuclei into helium and produce usable energy. It was just a case of pathological science, but the search for a simple way of harnessing fusion power continues to this day (image from Jeanemanning.com)


Last week, I posted on "The Oil Drum" a comment on the announcement by two Italian researchers, Andrea Rossi and Sergio Focardi, of a breakthrough in an energy-producing device that they dubbed "Energy Catalyser" (or "E-Cat"). According to their claims, the device produces energy by means of a low temperature nuclear fusion reaction that involves nickel nuclei reacting with hydrogen ones. The EROEI of the device is claimed to be very high - at least of the order of 30, taking into account that the heat generated is said to be  "100 times" larger than the input electrical power.

My comment was neutral - I was, and I am still rather sceptical but I leave a door open to the possibility that there exist physical phenomena that we still know little or nothing about. My idea was, mainly, to start a discussion and I was not disappointed. The commenting section of TOD is a real a Juggernaut that works as a bullshit-demolisher machine. If you have time, do give a look to the more than 250 comments on the E-Cat; provided by a group of really smart (IMHO) people.

Overwhelmingly, the reaction has been a sceptical one. Most commenters do leave a door open to the possibility that there might be something in the E-Cat that could make it a true revolution in energy production. But, on the whole, the idea has been classed as "pathological science" in view of some typical characteristics: obsession on secrecy, claims based on unknown phenomena, promises to be fulfilled someday but not now, etc. Personally, after reading this series of comment, I came out more sceptical than I was before (and I was sceptical from the beginning). As I said, let's leave a door open to possibilities we don't know about ("unknown unknows" as it became popular to say). But I won't bet on seeing the "atomic genie" reappearing out of Rossi and Focardi's apparatus to solve our energy problem.

Besides, what do we mean, exactly, as "solving the energy problem"? Here, the discussion on TOD took a very interesting angle, with some people clearly spelling out the fact that if - by some miracle - we were to have cheap energy in abundance, "we'd torch the place." In other words, we'd continue destroying everything, from fertile soil to non-human species, as we have been doing during all of human history - but with especially high intensity during the past few centuries. "Greenish" said "I still see "peak energy" for humans as a feature and not a bug." My comment on this point was:

I had been thinking about the promise of the Kitegen, you know, if it were to work as promised it would give us a lot of cheap electric power. The kitegen has the advantage of working on known physical principles but it is not obvious that we know all the physical principles that exist in the universe. So, suppose that we have cheap electric power in abundance; maybe the kitegen, maybe this thing by Rossi and Focardi, then what happens?

Well, supposing a BAU scenario, the simulation has already been performed in the first edition of "The Limits to Growth" in 1972. We grow, we grow, and we grow even more. And then we crash as the result of pollution, just like bacteria in a Petri dish. It is a much worse disaster than the one where we crash because we run out of energy. 

Personally, however, I don't think the future will be this kind of BAU. The development of cheap electric power would give us that window of a few decades that will be enough to replace human beings with artificial creatures - it is already happening on the battlefield and it is not going to stop there. I think we won't have a chance to destroy the planet - we will be replaced much earlier.


As you see, this is a hugely interesting point. The future is not set - we still have a series of branching possibility that may lead us to the conquest of the Galaxy or back to the Olduvai gorge. Surely to be discussed. For the time being, here is the post on TOD. Some links to further material on the E-Cat are at the end

The return of cold fusion?

Back in 1989, during the craze of the “cold fusion” announcement by Martin Fleischmann and Stanley Pons, a colleague of mine told me about the theory he had developed. It was based on quantum mechanics, he said, and it would explain everything that had been observed in cold fusion on the basis of an adjustable parameter.


Alas, in the real universe parameters cannot be adjusted at will as in the memory of a computer. Cold fusion proved elusive; I myself spent some months at that time with a home-made contraption that should have produced it; looking for the helium atoms that should have been created. I found none and I was not the only one who was disappointed. At that time, practically everyone who had a physics or chemistry lab available tried. But nobody could reproduce the claims about fusion taking place in an electrochemical cell, not even the authors of the claims themselves. So, the idea of cold fusion died out rapidly; surviving mostly in the dreams of crackpots and conspiracy theorists. A few serious scientists kept working on it; there were more claims scattered over the years and a whole new term “LENR” (low energy nuclear reactions) was coined to describe the field. However, after more than 20 years it seems clear that it is not possible to obtain useful energy by cramming deuterium atoms into palladium, as Fleischmann and Pons had tried to do.


So, it would seem that cold fusion as a way of producing energy is something made of the same stuff dreams are made of. That was my conclusion after having worked on it and the reason of my initial reaction of total disbelief when I first heard of the claims of having attained just that dream by two Italian researchers, Andrea Rossi and Sergio Focardi. Yet, in physics there are no absolutes: everything known can be disproved and, in the end, it is the experimental reality that counts. So, I noted that Rossi and Focardi, unlike Pons and Fleischmann, seem to be able to reproduce their result according to several reports that appear reliable. Then, a friend and colleague of mine went to visit Focardi. My friend is not an easily duped person and he went there ready to debunk the hoax. He came back rather perplexed, saying something like, “well, there may be something in this story.”



So, what is happening? Have we really made a giant step forward in our quest for a clean and abundant form of energy? Nuclear fusion, after all, is a common physical reality – it can be made to occur in the laboratory in a variety of ways and not just with the giant machine of the “ITER” project which attempts to reproduce the reaction that takes place in the sun. Another kind of fusion is well known and almost commercial: it is the version where a nucleus of boron and one of hydrogen react to form three helium nuclei in a high energy plasma. This system goes under the name of “plasma focus” fusion. It could be used to generate soft x-rays, or neutrons when deuterium is used in the place of hydrogen. But can it be used to generate energy? Some people claim that it can; but surely it has to be difficult because the technology was invented in the 1960s and so far no energy producing prototype seems to be around.


Still, the “plasma focus” technology may be the prototype of a different class of fusion machines which don't try to fuse hydrogen isotopes together. They, rather, try to fuse protons (hydrogen nuclei) with heavier nuclei. Boron is the choice in plasma focus, but there are other possibilities. What Rossi and Focardi have claimed is that they have been able to fuse a proton with a nickel nucleus. It is a reaction that could, indeed, produce large amounts of energy. The problem with this idea is that there is a tremendous electrostatic barrier that prevents the positively charged proton from entering the positively charged nickel (or other) nucleus. Overcoming these electrostatic barriers in a practical device, usually, requires the use of high energy plasmas which need much more energy to be created and sustained than it can be obtained from fusion. Yet, if it were possible to reduce this potential using some kind of “nuclear catalyst,” then one could tap fusion as an energy source. It can be done and it has been done using exotic particles known as “muons,” which act as catalysts, indeed. It is an extremely complicated process which takes a lot of energy to create and maintain. Yet, at least it shows that “nuclear catalysis” is possible.


This is what Rossi and Focardi have claimed to have been able to do with their device that they called “Energy Catalyser”. They don't claim to be using muons but, somehow, they claim to have been able to activate and maintain the nuclear reaction of hydrogen with nickel by providing much less energy than the reaction then generates. They claim that the EROEI of the device could be around 30 or even larger once the thermal energy generated by the reaction is converted into electrical energy.


So, have we found the magic trick to get abundant and clean energy? Could people go back to speak of electric power “too cheap to meter” as in the heyday of nuclear energy? Perhaps, but it is too early to tell. There are several details that just don't click together in Rossi and Focardi's claims (see, e.g., the article by Kjell Aleklett cited below). If we have to reconcile the energy catalyser concept with what we know of nuclear physics, we have to think of some truly exotic phenomenon that takes place in the reaction chamber. In physics, the experiment reigns, but the possibility of the experimental error is always present. That's why no claim can be considered as validated until the relative experiment is independently reproduced. That will take some time, you can't do physics in a hurry, but in the end we will know.


Some references on the “Energy Catalyser”


Kjell Aleklett's article. http://aleklett.wordpress.com/2011/04/11/rossi-energy-catalyst-a-big-hoa...


Wikipedia has a good page on the story: http://en.wikipedia.org/wiki/Energy_Catalyzer


More info


http://www.physorg.com/news/2011-01-italian-scientists-cold-fusion-video...


http://peswiki.com/index.php/Directory:Andrea_A._Rossi_Cold_Fusion_Gener...


http://www.nyteknik.se/nyheter/energi_miljo/energi/article3111124.ece


http://www.journal-of-nuclear-physics.com/


http://www.express.gr/news/business/434458oz_20110316434458.php3

Who

Ugo Bardi is a member of the Club of Rome, faculty member of the University of Florence, and the author of "Extracted" (Chelsea Green 2014), "The Seneca Effect" (Springer 2017), and Before the Collapse (Springer 2019)