Cold nuclear fusion

by E.N. Tsyganov
(UA9 collaboration) University of Texas Southwestern
Medical Center at Dallas, Texas, USA

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Recent accelerator experiments on fusion of various elements have clearly demonstrated that the effective cross-sections of these reactions depend on what material the target particle is placed in. In these experiments, there was a significant increase in the probability of interaction when target nuclei are imbedded in a conducting crystal or are a part of it. These experiments open a new perspective on the problem of so-called cold nuclear fusion.

PACS.: 25.45 – deuterium induced reactions
Submitted to Physics of Atomic Nuclei/Yadernaya Fizika in Russian

Experiments of Fleischmann and Pons made about 20 years ago [1], raised the question about the possibility of nuclear DD fusion at room temperature. Conflicting results of numerous experiments that followed, dampened the initial euphoria, and the scientific community quickly came to common belief, that the results of [1] are erroneous. One of the convincing arguments of skeptics was the lack in these experiments of evidence of nuclear decay products. It was assumed that “if there are no neutrons, therefore is no fusion.” However, quite a large international group of physicists, currently a total of about 100-150 people, continues to work in this direction. To date, these enthusiasts have accumulated considerable experience in the field. The leading group of physicists working in this direction, in our opinion, is the group led by Dr. M. McKubre [2]. Interesting results were also obtained in the group of Dr. Y. Arata [3]. Despite some setbacks with the repeatability of results, these researchers still believe in the existence of the effect of cold fusion, even though they do not fully understand its nature.  Some time ago we proposed a possible mechanism to explain the results of cold fusion of deuterium [4]. This work considered a possible mechanism of acceleration of deuterium contaminant atoms in the crystals through the interaction of atoms with long-wavelength lattice vibrations in deformed parts of the crystal. Estimates have shown that even if a very small portion of the impurity atoms (~105) get involved in this process and acquires a few keV energy, this will be sufficient to describe the energy released in experiments [2].  This work also hypothesized that the lifetime of the intermediate nucleus increases with decreasing energy of its excitation, so that so-called “radiation-less cooling” of the excited nucleus becomes possible. In [5], we set out a more detailed examination of the process.  Quite recently, a sharp increase of the probability of fusion of various elements was found in accelerator experiments for the cases when the target particles are either imbedded in a metal crystal or are a part of the conducting crystal. These experiments compel us to look afresh on the problem of cold fusion.

Recent experiments on fusion of elements on accelerators
For atom-atom collisions the expression of the probability of penetration through a Coulomb barrier for bare nuclei should be modified, because atomic electrons screen the repulsion effect of nuclear charge. Such a modification for the isolated atom collisions has been performed in H.J. Assenbaum and others [6] using static Born-Oppenheimer approximation. The experimental results that shed further light on this problem were obtained in relatively recent works C. Rolfs [7] and K. Czerski [8]. Review of earlier studies on this subject is contained in the work of L. Bogdanova [9]. In these studies a somewhat unusual phenomenon was observed: the sub-barrier fusion cross sections of elements depend strongly on the physical state of the matter in which these processes are taking place. Figure 1 (left) shows the experimental data [8], demonstrating the dependence of the astrophysical factor S(E) for the fusion of elements of sub-threshold nuclear reaction on the aggregate state of the matter that contains the target nucleus 7Li. The same figure (right) presents similar data [7] for the DD reaction, when the target nucleus was embedded in a zirconium crystal. It must be noted that the physical nature of the phenomenon of increasing cross synthesis of elements in the case where this process occurs in the conductor crystal lattice is still not completely clear.

Figure 1. Up – experimental data [8], showing the energy dependence of the S-factor for sub-threshold nuclear reaction on the aggregate state of matter that contains the nucleus 7Li.  Down – the similar data [7] for the reaction of DD, when the target nucleus is placed in a crystal of zirconium. The data are well described by the introduction of the screening potential of about 300 eV.

The phenomenon is apparently due to the strong anisotropy of the electrical fields of the crystal lattice in the presence of free conduction electrons. Data for zirconium crystals for the DD reactions can be well described by the introduction of the screening potential of about 300 eV. It is natural to assume that the corresponding distance between of two atoms of deuterium in these circumstances is less than the molecular size of deuterium. In the case of the screening potential of 300 eV, the distance of convergence of deuterium atoms is ~510ˆ12 m, which is about an order of magnitude smaller than the size of a molecule of deuterium, where the screening potential is 27 eV. As it turned out, the reaction rate for DD fusion in these conditions is quite sufficient to describe the experimental results of McKubre and others [2]. Below we present the calculation of the rate process similar to the mu-catalysis where, instead of the exchange interaction by the muon, the factor of bringing together two deuterons is the effect of conduction electrons and the lattice of the crystal.

Calculation of the DD fusion rate for “Metal-Crystal” catalysis
The expression for the cross section of synthesis in the collision of two nuclei can be written as

where for the DD fusion

Here the energy E is shown in keV in the center of mass. S(E) astrophysical factor (at low energies it can be considered constant), the factor 1/E reflects de Broglie dependence of cross section on energy. The main energy dependence of the fusion is contained in an expression

that determines the probability of penetration of the deuteron through the Coulomb barrier. From the above expressions, it is evident that in the case of DD collisions and in the case of DDμcatalysis, the physics of the processes is the same. We use this fact to determine the probability of DD fusion in the case of the “metal-crystalline” DD-catalysis.  In the case of DDμ- catalysis the size of the muon deuterium molecules (ion+) is ~5×10ˆ13m. Deuterium nuclei approach such a distance at a kinetic energy ~3 keV. Using the expression (1), we found that the ratio of σ(3.0 keV)/σ(0.3 keV) = 1.05×10ˆ16. It should be noted that for the free deuterium molecule this ratio [ σ(3.0keV)/σ(0.03keV)] is about 10ˆ73.  Experimental estimations of the fusion rate for the (DDμ)+ case presented in the paper by Hale [10]:

Thus, we obtain for the “metal-crystalline” catalysis DD fusion rate (for zirconium case):

Is this enough to explain the experiments on cold fusion? We suppose that a screening potential for palladium is about the same as for zirconium. 1 cmˆ3 (12.6 g) of palladium contains 6.0210ˆ23(12.6/106.4) = 0.710ˆ23 atoms. Fraction of crystalline cells with dual (or more) the number of deuterium atoms at a ratio of D: Pd ~1:1 is the case in the experiments [2] ~0.25 (e.g., for Poisson distribution). Crystal cell containing deuterium atoms 0 or 1, in the sense of a fusion reaction, we consider as “passive”. Thus, the number of “active” deuterium cells in 1 cmˆ3 of palladium is equal to 1.810ˆ22. In this case, in a 1 cmˆ3 of palladium the reaction rate will be

this corresponds to the energy release of about 3 kW. This is quite sufficient to explain the results of McKubre group [2]. Most promising version for practical applications would be Platinum (Pt) crystals, where the screening potential for d(d,p)t fusion at room temperature is about 675 eV [11]. In this case, DD fusion rate would be:

The problem of “nonradiative” release of nuclear fusion energy
As we have already noted, the virtual absence of conventional nuclear decay products of the compound nucleus was widely regarded as one of the paradoxes of DD fusion with the formation of 4He in the experiments [2]. We proposed the explanation of this paradox in [4]. We believe that after penetration through the Coulomb barrier at low energies and the materialization of the two deuterons in a potential well, these deuterons retain their identity for some time. This time defines the frequency of further nuclear reactions. Figure 2 schematically illustrates the mechanism of this process. After penetration into the compound nucleus at a very low energy, the deuterons happen to be in a quasi-stabile state seating in the opposite potential wells. In principle, this system is a dual “electromagnetic-nuclear” oscillator. In this oscillator the total kinetic energy of the deuteron turns into potential energy of the oscillator, and vice versa. In the case of very low-energy, the amplitude of oscillations is small, and the reactions with nucleon exchange are suppressed.

Fig. 2. Schematic illustration of the mechanism of the nuclear decay frequency dependence on the compound nucleus 4He* excitation energy for the merging deuterons is presented. The diagram illustrates the shape of the potential well of the compound nucleus. The edges of the potential well are defined by the strong interaction, the dependence at short distances  Coulomb repulsion.

The lifetime of the excited 4He* nucleus can be considered in the formalism of the usual radioactive decay. In this case,

Here ν is the decay frequency, i.e., the reciprocal of the decay time τ. According to our hypothesis, the decay rate is a function of excitation energy of the compound nucleus E. Approximating with the first two terms of the polynomial expansion, we have:

Here ν° is the decay frequency at asymptotically low excitation energy. According to quantum-mechanical considerations, the wave functions of deuterons do not completely disappear with decreasing energy, as illustrated by the introduction of the term ν°. The second term of the expansion describes the linear dependence of the frequency decay on the excitation energy. The characteristic nuclear frequency is usually about 10ˆ22  sˆ-1. In fusion reaction D+D4He there is a broad resonance at an energy around 8 MeV. Simple estimates by the width of the resonance and the uncertainty relation gives a lifetime of the intermediate state of about 0.810ˆ22 s. The “nuclear” reaction rate falls approximately linearly with decreasing energy. Apparently, a group of McKubre [2] operates in an effective energy range below 2 keV in the c.m.s. Thus, in these experiments, the excitation energy is at least 4×10ˆ3 times less than in the resonance region. We assume that the rate of nuclear decay is that many times smaller. The corresponding lifetime is less than 0.3×10ˆ18 s. This fall in the nuclear reaction rate has little effect on the ratio of output decay channels of the compound nucleus, but down to a certain limit. This limit is about 6 keV. A compound nucleus at this energy is no longer an isolated system, since virtual photons from the 4He* can reach to the nearest electron and carry the excitation energy of the compound nucleus. The total angular momentum carried by the virtual photons can be zero, so this process is not prohibited. For the distance to the nearest electron, we chose the radius of the electrons in the helium atom (3.1×10ˆ11 m). From the uncertainty relations, duration of this process is about 10ˆ-19 seconds. In the case of “metal-crystalline” catalysis the distance to the nearest electrons can be significantly less and the process of dissipation of energy will go faster. It is assumed that after an exchange of multiple virtual photons with the electrons of the environment the relatively small excitation energy of compound nucleus 4He* vanishes, and the frequency of the compound nucleus decaying with the emission of nucleons will be determined only by the term ν°. For convenience, we assume that this value is no more than 10ˆ12-10ˆ14 per second. In this case, the serial exchange of virtual photons with the electrons of the environment in a time of about 10ˆ-16 will lead to the loss of ~4 MeV from the compound nucleus (after which decays with emission of nucleons are energetically forbidden), and then additional exchange will lead to the loss of all of the free energy of the compound nucleus (24 MeV) and finally the nucleus will be in the 4He ground state.  The energy dissipation mechanism of the compound nucleus 4He* with virtual photons, discussed above, naturally raises the question of the electromagnetic-nuclear structure of the excited compound nucleus.

Fig. 3. Possible energy diagram of the excited 4He* nucleus is presented.

Figure 3 represents a possible energy structure of the excited 4He* nucleus and changes of its spatial configuration in the process of releasing of excitation energy. Investigation of this process might be useful to study the quark-gluon dynamics and the structure of the nucleus.

Perhaps, in this long-standing history of cold fusion, finally the mystery of this curious and enigmatic phenomenon is gradually being opened. Besides possible benefits that the practical application of this discovery will bring, the scientific community should take into account the sociological lessons that we have gained during such a long ordeal of rejection of this brilliant, though largely accidental, scientific discovery. We would like to express the special appreciation to the scientists that actively resisted the negative verdict imposed about twenty years ago on this topic by the vast majority of nuclear physicists.

The author thanks Prof. S.B. Dabagov, Dr. M. McKubre, Dr. F. Tanzela, Dr. V.A. Kuzmin, Prof. L.N. Bogdanova and Prof. T.V. Tetereva for help and valuable discussions. The author is grateful to Prof. V.G. Kadyshevsky, Prof. V.A. Rubakov, Prof. S.S. Gershtein, Prof. V.V. Belyaev, Prof. N.E. Tyurin, Prof. V.L. Aksenov, Prof. V.M. Samsonov, Prof. I.M. Gramenitsky, Prof. A.G. Olshevsky, Prof. V.G. Baryshevsky for their help and useful advice. I am grateful to Dr. VM. Golovatyuk, Prof. M.D. Bavizhev, Dr. N.I. Zimin, Prof. A.M. Taratin for their continued support. I am also grateful to Prof. A. Tollestrup, Prof. U. Amaldi, Prof. W. Scandale, Prof. A. Seiden, Prof. R. Carrigan, Prof. A. Korol, Prof. J. Hauptmann, Prof. V. Guidi, Prof. F. Sauli, Prof. G. Mitselmakher, Prof. A. Takahashi, and Prof. X. Artru for stimulating feedback. Continued support in this process was provided with my colleagues and the leadership of the University of Texas Southwestern Medical Center at Dallas, and I am especially grateful to Prof. R. Parkey, Prof. N. Rofsky, Prof. J. Anderson and Prof. G. Arbique. I express special thanks to my wife, N.A. Tsyganova for her stimulating ideas and uncompromising support.

1. M. Fleischmann, S. Pons, M. W. Anderson, L. J. Li, M. Hawkins, J. Electro anal. Chem. 287, 293 (1990).
2. M. C. H. McKubre, F. Tanzella, P. Tripodi, and P. Haglestein, In Proceedings of the 8th International Conference on Cold Fusion. 2000, Lerici (La Spezia), Ed. F. Scaramuzzi, (Italian Physical Society, Bologna, Italy, 2001), p 3; M. C. H. McKubre, In Condensed Matter Nuclear Science: Proceedings Of The 10th International Conference On Cold Fusion;  Cambridge, Massachusetts, USA 21-29 August, 2003, Ed by P. L. Hagelstein and S. R. Chubb, (World Sci., Singapore, 2006). M. C. H. McKubre, “Review of experimental measurements involving dd reactions”, Presented at the Short Course on LENR for ICCF-10, August 25, 2003.
3. Y. Arata, Y. Zhang, “The special report on research project for creation of new energy”, J. High Temp. Soc. (1) (2008).
4. E. Tsyganov, in Physics of Atomic Nuclei, 2010, Vol. 73, No. 12, pp. 1981–1989. Original Russian text published in Yadernaya Fizika, 2010, Vol. 73, No. 12, pp. 2036–2044.
5. E.N. Tsyganov, “The mechanism of DD fusion in crystals”, submitted to IL NUOVO CIMENTO 34 (4-5) (2011), in Proceedings of the International Conference Channeling 2010 in Ferrara, Italy, October 3-8 2010.
6. H.J. Assenbaum, K. Langanke and C. Rolfs, Z. Phys. A – Atomic Nuclei 327, p. 461-468 (1987).
7. C. Rolfs, “Enhanced Electron Screening in Metals: A Plasma of the Poor Man”, Nuclear Physics News, Vol. 16, No. 2, 2006.
8. A. Huke, K. Czerski, P. Heide, G. Ruprecht, N. Targosz, and W. Zebrowski, “Enhancement of deuteron-fusion reactions in metals and experimental implications”, PHYSICAL REVIEW C 78, 015803 (2008).
9. L.N. Bogdanova, Proceedings of International Conference on Muon Catalyzed Fusion and Related Topics, Dubna, June 18–21, 2007, published by JINR, E4, 15-2008-70, p. 285-293
10. G.M. Hale, “Nuclear physics of the muon catalyzed d+d reactions”, Muon Catalyzed Fusion 5/6 (1990/91) p. 227-232.
11. F. Raiola (for the LUNA Collaboration), B. Burchard, Z. Fulop, et al., J. Phys. G: Nucl. Part. Phys.31, 1141 (2005); Eur. Phys. J. A 27, s01, 79 (2006).

by E.N. Tsyganov
(UA9 collaboration) University of Texas Southwestern
Medical Center at Dallas, Texas, USA

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3,496 comments to Cold nuclear fusion

  • Sebastian

    Dear Mr. Rossi,

    I have a question regarding the device “producing frequencies”.
    Has this device been used for all the previous test as well?
    Or is it necessary for self-sustained mode?

    Thank you

  • K. Dobrolecki

    Dir Mr. Rossi.
    Congratulation on the positive test of E-Cat.
    I have question about the input/ output.
    Output is given in KW of heat energy. But input for comparison is given in Kw of electric or heat energy? Or it need to be multiplied by three?

    Warm regards

  • Herb Gillis

    How much energy does the frequency-producing device contribute to the system? Is it enough to significantly effect the overall power input/output ratio?

  • Andrea Rossi

    Dear Francesco Toro:
    If the water flow stops for a misfunction, the nickel melts and the reactor cannot work. It’s an intrinsic safety system. Anyway we will provide an emergency water supply, automatically activated through a by pass in case of overheating, to save the charge.
    Warm Regards,

  • Andrea Rossi

    Dear Sverre Hanch Haslund:
    Sorry, it’s confidential.
    Warm Regards,

  • Sverre Hanch Haslund

    Dear Mr. Rossi,
    In Mats Lewan’s detailed report, at 15:53, the following is noted :

    “Power to the resistance was set to zero.
    A device “producing frequencies” was switched on.
    Overall current 432 mA. Voltage 230 V.
    Current through resistance was zero, voltage also zero.
    From this moment the E-cat ran in self sustained mode.”

    Can you tell us what this ‘device producing frequencies’ is ?

    Best regards
    Sverre Haslund

  • FrancescoToro Ing Rossi buonasera
    Ho visto i dati di input/output della prova in autosostegno che confermano il mio convincimento dell’eccellente funzionamento del suo “bambino”. Spero di poterne comprare uno al più presto…che so…per sostituire lo scaldabagno tradizionale. Si immagina lo “ScaldaE-Cat”? Ma tralasciando i sogni avrei al momento una sola domanda di carattere tecnico da farLe.
    Se dovesse mancare per un tempo indefinito il flusso d’acqua per un guasto alla pompa o per un intasamento della tubazione cosa potrebbe succedere all’interno del dispositivo?
    Grazie per il Suo eventuale chiarimento e Le porgo di nuovo sinceri complimenti.
    p.s. tenga duro.

  • Andrea Rossi

    Dear Martin:
    Good question. The 80 kg are not due to the reactors, but to heat exchanger, shielding etc, which can host more reactors.
    Warm Regards,

  • Martin

    Dear mr Rossi,

    It’s remarcable that we have gone from a 30 kg ecat generating 12 kW power, to an 80 kg ecat generating 3 kW of power. Ten times less power density.
    Can you explain this?

    Best regards


  • Sean True

    Ing. Rossi —

    I noted from Mat Lewan’s Nyteknik report that you are having contractual difficulties with the expected U.S. initial customer, and that the
    megawatt plant has not yet shipped. This poses obvious financial hardships for your project … can you comment on your path forward from here?


    — Sean

  • Hampus Ericsson

    Congratulations, I heard the test was an absolute success. 4 hours of selfoperations, that it unbelievable. I was thinking one or two hours but never never 4!

    Its amazing what you have done and I thank you from the bottom of my heart.

    Hampus Ericsson

  • Eddie

    Daer Andrea,

    I pray you will succeed and that your E-cat will be a blessing to our world! All the best to you!
    I read in today’s paper that further testing is now going on. I feel stronlgly that you are in a critical phase right now. You need to guard yourself, your personel and your equipment very securely. There are many who wish to sabotage your project. They have vested interests in the current energy providing technologies. They are willing to go to great lengths to stop you. Please don’t be lax with your security! Double guards, night and day, is required at the moment. I will continue praying for you and your people.

  • Janne Strom

    I wanted to congratulate you on a successful test yesterday.
    Looking forward to reading the technical documentation and data from the test but i assume it takes a couple of days to compile.
    4 hours of self sustained mode at 3,5Kw, thats amazing and beyond!!
    I hope this satisfies even the most doubtful critics (not Krivit of course, but thats another matter)
    I asked Krivit a couple of questions about that supposed “arrangement” he had with NASA that prohibited him to say anything about the outcome of the test, and why he apparently was allowed to say that “it had no positive results”
    My questions were censored out.
    But from now on i dont think Crivits, sorry , Critics will matter any more, we all know your wonderful discovery is working.
    One questing please Mr Rossi:
    At some point when the patent is secured and approved, will you explain the process and reveal the secret about treating your Ni?
    Best regards from Sweden, we really need your heat in this cold country
    /Janne Ström

  • Albert Ellul

    The NEW FIRE has been ignited never to be extinguished. Thanks Ing. Rossi.

  • Andrea Rossi


  • Michele Boni

    Gent. Ing. Rossi
    le faccio i miei auguri!! Spero che tutto funzioni, persone come lei cambiano il mondo

  • tj


    Congratulations and Thank you!

    From Life on Earth

  • Dear Mr. Rossi,

    Your enemies have put the heavy artillery to good use. CBC (Canada’s equivalent of the BBC) has begun a series of articles designed to intimidate and create public opinion against LENR. They want to regulate (stop) LENR developments, as I reads it.

    The first article appeared three (3) days before the test of E-cat and is obviously not an coincidence. CBC articles are off course aimed to balance out any positive information from your test.

    After the successful tests you play in a higher division, time to hire a professional media service.

    I wish you had the opportunity to enjoy the success, but it does not work that way.

  • Dear Dr. Rossi,

    Congratulations! I hear from Jed Rothwell’s BLOG that your demo was a complete success.

    You have demonstrated that your E-Cat is the “Holy Grail” of LENR (“Cold Fusion”).

    1. E-Cat can be started on demand.
    2. E-Cat can be turned off anytime.
    3. E-Cat’s power output level can be controlled.
    4. E-Cat can output 110 degrees C heat.
    5. E-Cat can be run in controlled self-sustained mode.
    6. E-Cat is economical to build and run.
    7. E-Cat produces clean power with no toxic waste.

    E-Cat is a total triumph!
    Thank you Jed Rothwell for your thorough coverage of this event and your thoughtful analysis.
    And thank you Dr. Rossi for your courage to do this public test of the E-Cat in self-sustained mode.

    Best Regards,

    Daniel Zavela

  • Roberto Mucciarini

    IL 6 ottobre, il giorno più lungo, è passato. Restiamo tutti in attesa di notizie, foto, filmati.

  • Italo

    Caro Ing Rossi, abbiamo seguito con trepidazione le scarne notizie in arrivo da Bologna.

    E’ vero, verissimo, dai pochi ed incompleti dati trapelati (tutti da verificare) c’è stata una delusione.
    Ci aspettavamo magari una potenza “bestiale” e non un “misero” 3,5 kW.

    Ma… il punto fondamentale, tremendamente importante, assolutamente fantastico è che:

    E’ stata generata energia in autosostentamento prolungato!!

    E dobbiamo credere certamente a Rossi e Focardi quando in passato hanno parlato molte volte di potenze e di COP decisamente molto grandi.

    Certo, c’è molto da lavorare su design e stabilità, e su tutto ciò che verrà a valle. Ma Roma non è stata costruita in un giorno.

    E questi sono tempi fantastici.

    E noi potremo dire: “Io c’ero”

    Semplicemente, grazie Ing Rossi

  • Richard Roy

    C’est un grand jour pour tous ces scientifiques (les vrais) qui on eu à subir les sarcasmes et le mépris de certain de leur paire. Bravo MM. Rossi, Pond et Fleishmen pour votre ténacité, Je crois que bientôt l’humanité vous sera reconnaissant pour avoir sauvé notre planète de la surconsommation des ressources pétrolières.


  • Giovanni Nobili

    Dear Dr.Rossi,

    AMAZING! Great test, great day, i’ve followed on many forums this day and i will remember it like the V-Day of the science!
    Immense congratulazioni!
    Con immensa ammirazione.

  • fabiosanzani Ing.Rossi,
    Giovedì 6 ottobre ore 19.54:
    sono qui in ufficio in via dell’Industria e se lei è ancora nella sede dell’esperimento indicato da alcune fonti di internet, ci troviamo a poche centinaia di metri di distanza. Ciò mio rende quasi partecipe dell’evento e orgoglioso di conoscerla (virtualmente intendo, tramite questo giornale di fisica).
    In attesa smaniosa di avere qualche notizia in proposito all’evento, le invio un popolare “In bocca la lupo” e i miei più cordiali saluti.

  • Christian Bistriceanu

    Dear Mr. Rossi,

    Good luck for today and we all wish you the best!


  • Martin

    Dear mr Rossi,

    Cab you give us u clue about the progress of the test?

    Best regards,


  • Dear Andrea Rossi,

    Your success is important to every human on our planet, even the billions who do not yet know of your work.

    If the current direction of climate change is reversed, you will have changed the lives of not only humans, but also countless billions of shellfish, fish, birds and animals for the better.



  • Carlo Vissani

    Dear Mr. Rossi,

    I send you my very best augurs on this day of hope for all of humanity!

    labor omnia vincit!

    Looking forward to a new renaissance.

    Carlo Vissani

    PS: Looking forward to participating in your project asap…

  • EBrandenburg

    Dear Mr. Rossi,

    Good luck today! All our best wishes for success today!

    Eric Brandenburg

  • lutoit

    Ecat testing underway in Bologna.!/22passi

  • Markus J.

    Dear Mr. Rossi,
    Best of luck today! Crossing fingers this is the real deal.

    Best regards
    Markus Jørgensen

  • Massimo Gervasi

    Good luck to the human species !!!
    Hopefully it will be a great day…will see…
    bye bye

  • Jose Miguel Madera

    Los mejores deseos para usted Mr. Rossi
    Desde el caribe Dominicano le seguimos
    y le apoyamos.

    Un gran dia para la Humanidad, Adelante !

  • Petri

    Any news Rossi about today’s test? :)

    We are waiting!

  • Alan The Brit

    Good luck Andrea Rossi. I’m on the edge of my seat with anticipation!

    Alan Cuthbertson
    Farnham UK

  • Guy Ben-Zvi

    Dan Shechtman of the Israeli Technion takes Nobel prize for chemistry.
    Shechtman (Who I met in the Technion many years ago and who is still a prominent lecturer in the faculty of materials engineering) discovered the 5 fold “impossible symmetry” crystals 30 years ago and was also ridiculed by the scientific community for years, until wining the Nobel yesterday. Today these quasi crystals are used in industry and technology for practical applications
    I hope Rossi will bring the same level of pride to Italy as Shechtman has given us in Israel :-)
    I wish this story will repeat itself with Rossi’s venture, just hopefully a bit faster

  • John M

    Dear Mr Rossi,

    Perhaps it is strangely appropriate that following the day the world lost Steve Jobs, a man who changed the way we live through technology and innovation, that we now see this much anticipated public test of your e-cat, which could change the world by providing almost endless cheap energy for mankind.

    These are big shoes to fill but your destiny awaits !


  • Christian Bistricenu

    Best of luck Mr. Rosi!! Hope this technology will be vindicated today and the world will see a better future ahead!

    Best regards,

  • Dominic Ebermann

    Dear Mr. Rossi.
    There are no clouds over Bologna today, so I think even the sun is enquiring. I wish you good luck, also you do not need it. I wish you sucess! We are all with you. We all are excited.
    Warm regards from Germany.

  • Lorenzo Stella

    Andrea, GO, GO, GO.


  • FrancescoToro Ing. Rossi
    Un caloroso:IN BOCCA AL LUPO!

  • Peter Heckert

    I wish a fortunate hand and success for you and your project!

    Kind regards,


  • Roberto M

    Egr.Sig Rossi le auguro un grande e meritato successo a lei e a tutto il suo team! Attendiamo con impazienza i risultati del suo test. Un grande IN BOCCA AL LUPO e ………crepi il LUPO.

  • Andrea Rossi


  • Bertil Nilsson

    Dear Andrea Rossi,

    This is a very exciting day for so many and I feel lucky to be among those who know what is happening. I wish all of you the very best for today and I will eagerly wait for the first bits of info from your very important test today.

    Warm regards

    Bertil Nilsson

  • Michael K.

    Dear Dr.Rossi,
    Best wishes for he BIG day!
    Millions are hopeing after your and your collegues work.

  • Andrea, Best regards to you and your team, I am sure the tests will go well and hope you receive the accolade that you so much deserve. All the best Eric Ashworth

  • Stephen T.

    Dear Mr. Rossi,
    Best Wishes. God Speed. No reply needed.
    Stephen Taylor

  • Gent. Ing. Rossi,
    le auguro che il sogno della sua vita si avveri: è anche il sogno di tutti noi! …e mi prenoto per l’acquisto!
    Un caloroso IN BOCCA AL LUPO!
    Antonio Liverani

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