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  • David Canino added an answer in Qt:
    Do Q_DECLARE_INTERFACE and Q_INTERFACES of the QT Library work with template classes?

    Dear All,

    I am playing with the QT Library for modeling dynamic plugins. My question is the following. Do the Q_DECLARE_INTERFACE and the Q_INTERFACES macro work with any C++ template class? I am not sure about this. Thanks in advance for your help.



    David Canino · None

    Probably, I solve this problem. It is possible to create any smart class for each plugin of interest. This smart class does not exploit any template. Thus, it can be exploited by the QT Library. Basically, it creates template classes of interest wrt to the FMP pattern thank to template factories. Clearly, it is necessary to register objects to be allocated. This method works very well. It will be released in new version of my Mangrove TDS Library: http://mangrovetds.sourceforge.net within 2015.

  • Hasti Hosseinizand asked a question in Bioproducts:
    What species of microalgae are suitable for both biofuel production and other bioproducts like food, cosmetics and pharmecuticals?

    I am starting my research about microalgae. the first step is to choose a suitable species. Spirulina is widely used for food and supplement production. On the other hand for biofuel production there are better candidates like chlorella. I reaaly like to do research on a species which have both biofuel and food (or cosmetic-pharmaceutical) production applications. I need your suggestion to choose the best microalgae which has been proven to have these applications.

  • Antonio di stasi added an answer in Cloning:
    How do you clone 1 or 2 inserts with cloning ends using the same enzyme?

    What are your optimization strategies when cloning with a single enzyme at both ends?

    What if you have 2 inserts?

    Did you ever try to join the insert and a PCR product using chimeric internal primer (0.01mcM) with 15bp overlapping to one and 15 to the other piece, plus 5 and 3' primers (2mcM)?

    Would you rather synthesize the whole insert as 1 molecule instead?

    Antonio di stasi · University of Alabama at Birmingham

    Thank you for your answers,  since I am creating a vector with 4 genes (separated by 2A seq), I inserted gene #3 using MluI at both ends, and plus I created a Asc1 site in 3'.

    The 4th gene will be inserted by ligating Asc1 at both ends.

    Both constructs will be generated by ligating:

    1. oligo (Mlui-Afe1) (from overlapping N)...http://gcat.davidson.edu/igem10/

    2. a PCR product (afe1-Mlui), b/c 2-inserts ligation maybe difficutl, I am ligating the oligo and PCR first, and then cut with MluI and ligate into my vector.

    Hope this works, if not I will try Infusion. My inserts size is about 2K kb.

    -lastly, to join  oligo and PCR by chimeric PCR approach, I am not sure it worked, I sent the product for sequencing, if you do not know this approach or are interested those are the references=

    A.methods in mol biol, 67, Genevieve Poont-Kingdon;

    B.Nucleic acid research 17, 12, 1989, Jeff Von).

  • Guillermo Lepe asked a question in Quality:
    Where can I find a list of qualities or shared qualities of today's successful entrepeneurs?

    I'm researching the correlation of qualities that an entrepreneur must have and business success.

  • What is the crucial difference between establishment and caste?

    De Tocqueville's theory of the social-political establishment follows his analysis of the Old Regime and the French Revolution; and he argued that violent revolution came to France because the nobility degenerated into a caste and refused to absorb new people of power, affluence and influence--the rising middle class. The British upper class, led by the Whig establishment, in contrast, absorbed the new middle class, avoided revolution and remained a ruling establishment. (The Whigs were later displaced by the British Liberal party.) The French nobility retained their privileges at the expense of power and authority, while the British Whig establishment shared their privileges precisely in order to rule. The argument is, then, that one better maintains a free and stable society by maintaining a balance between the liberal democratic and the authoritative, established aspects of society. Extending De Tocqueville's ideas a bit, it seems clear that the danger of caste is especially prominent whenever the boundaries of the establishment are drawn on ethnic lines in a multi-ethnic society. 

    Douglas R. Daugherty · University of New Mexico

    Dear H.G.,

    If you would look at December 14th, after you had replied to my post in essence you asked me politely to refrain from your thread. Even though I disagreed and stated so on Dec 14 I honored your request even though I have been following. In so doing I have had to remain silent on many substantive issues of concern.

    I will remain in science (honoring your request) unless these points you would like to discuses in open forum.

    Thank you for your replies to my questions this week, and be well,

    Douglas R. Daugherty 

  • Justin Lemkul added an answer in Gromacs:
    How to setup double bilayer system in Gromacs ?

    Hi folks,

    I want to construct, a double membrane system in gromacs , can anyone suggest me which command i use do so ? I have attached the image of the system which i want to construct.

    Thanks in Advance,


    Justin Lemkul · University of Maryland, Baltimore

    genconf -nbox 1 1 2 would duplicate the system along z (assuming the membrane planes are in x-y).

  • Michael Heine added an answer in Fibre:
    Are there any material databases or material archives online available which allow a direct comparison between different materials?

    Today's need for cost efficient design and engineering of structures suffers from the availability of material databases which includes the mechanical properties of metals as well as of other construction materials. Especially polymers, fibre reinforced polymers, ceramics, fibre reinforced ceramics, fibre reinforced wood and other more or less exotic materials are not included. Any suggestions?

    Michael Heine · University of Augsburg

    Dear Abdelkader,...

    that's great... regarding all matrix polymers for fibre reinforced composites

  • Anyone know of any research that explores the views of counsellors using outcome measures?

    Looking for qualitative studies as part of doctorate

  • How do you deal with/ prevent pneumoperitoneum during TEP hernioplasty?

    We found this to be very annoying probelm during TEP hernioplasty. Even no tear is seen in the peritoneum at the end of the procedure pneumoperitoneum is present. We've tried changing troacar positions, lowering the pressure of insuflator- no significant effect. Finally we found solition for this situation by placing a Veress needle lateral to the 10mm port for the camera. What is your experience with this problem?

    Charles A. de Gheldere · Heillig Hart Ziekenhuis Lier

    Balloon dissection is  useless and expensive in my opinion.  It merely helps for the easiest  part of the dissection :  the central part. It  does not help for the more difficult lateral dissection.  On top of that , using the balloon  can help you to dissect in a plane 

  • Henk Smid added an answer in General Relativity:
    Will observers accelerating with respect to a stationary charge detect photons?

    If an observer is accelerating with respect to a stationary charge, will he detect any photons? 

    Henk Smid · Amsterdam

    ...and more of these strange things, 'pumping' the vacuum produces photons in the Dynamical Casimir Effect...

  • Hamid Shafiee asked a question in Deep-Sea:
    Renewable energy for structure in the deep sea?

    I want to offer a mechanism for renewable energy production of Structures in the deep sea.that The structure is self-sufficient in energy supply.What strategy do you recommend to me؟ thank you

  • Sadish Srinivassane added an answer in Freezing:
    Can anyone suggest me a protocol for snap freezing of mouse stomach/intestine?

    I am interested to look at the histology of mice stomach and intestine. We always do snap freezing of other tissues but have not done on stomach. Can anyone suggest me a protocol for snap freezing? Thanks

    Sadish Srinivassane · AGADA Biosciences Corp.

    I want to section the tissues for H&E staining to microscopically score the ulcerative lesion

  • Wouter Maijenburg added an answer in Etching:
    What is the best way to free Nanowires from a substrate and have them in a suspension?

    I have Ni-CdSe and CdSe Nanowires grown via electrodeposition in AAO templates with Ag film on the back, after dissolving the templates I'm left with the wires stuck to the Ag film. 

    I have tried sonication (with times suggested in literature and much longer), didn't work well. Does anyone know what is the optimum time for doing so?
    Also etching away Silver with Nitric Acid before dissolving the template didn't work (CdSe was etched too). 

    Wouter Maijenburg · GSI Helmholtzzentrum für Schwerionenforschung

    Then the dimensions shouldn't be the problem. A solution I could think of is to make the Ag layer thinner (100-200 nm should be enough for the electrodeposition) so that it will break apart during ultrasonication and release the NWs. I hope this will help...

  • Heather Claxton asked a question in Volunteerism:
    Is anyone willing to collaborate with a volunteer software developer?

    When you have two experts collaborating on a problem, you get better quality data, in less time and grant money.  Yet, it astounds me the number of researchers who insist on writing code themselves.  

    To address this,  I started a program that connects science researchers with volunteer software developers, my hypothesis is that facilitating these collaborations will result in better, more customizable software.   I'm looking for researchers who want to participate in the pilot of this program -- someone who has a coding project as is willing to collaborate with a software developer to get it built.  

    If you're interested, could you contact me?  Either directly at  hclaxton@umich.edu or in the comments below.  Thank you

    Heather Claxton, PhD

  • How can i define Absorbing boundary in ABAQUS/EXPLICIT ?

    i want to define absorbing boundary for " soil structure interaction model  "

     formula for damping ratio : C=C( wave velocity ) * (Rho =" density") * A

    how  define & get  C " damping ratio "  to my model in Explicit / Abaqus ?


    Claes Richard Fredö · Qring Technology Intl. AB

    Hi Arnab

    FYI - this is exactly what we did in a project involving soil interaction for a large scale scientific structure.

    As you are interested in this topic, a tweak we used was that Wolf's method specifies a matrix inversion of the interface coupling matrix, i.e. to dig a hole in the substructure (which usually is an analytical wave propagation model).

    Now, our coupling matrix was so large that inversion of this matrix was a feat in itself. Not at all practical even on a supercomputer.

    We circumvented this by the use of an old Nastran trick that is used to 'turn off' elements, e.g. in shape optimization. We used a homogeneous layer of elements with negative Young's modulus for the part of the analytical 'substructure' that should be 'dug out' from the analytical substructure and inserted in there a second substructure model, i.e. the large scale structure of interest.

    There is a freeware code called Code Aster (CA). CA supports anechoic boundary conditions by the use of a 'rubber band mesh'. I imagine that this mesh does provide some reflection. In any case, on top of this, there is an interface developed to an analytical code called MISS3D. I know little more than this, but if you are researching the topic, you might want to take a look at this interface. http://www.google.se/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CCcQFjAA&url=http%3A%2F%2Fwww.theses.fr%2F2013ECAP0006%2Fabes&ei=JxPMVLzCGsXZywPdg4CICQ&usg=AFQjCNH3T-V2n7PdKjWn7MzsAG8WudogeQ&bvm=bv.85076809,d.bGQ&cad=rja


  • Peter T Breuer added an answer in Mathematics:
    What is the analytical expression for this infinite series?

    Let u and v be real numbers. What is the analytical expression for the attached infinite series?

    Hint: the solution is likely to be a function of the exponential since 

    sum_{n=0}^{infty} u^n/n! = exp(u),      u \in R.

    Peter T Breuer · Birmingham City University

    There is no "solution" ...  you mean "an analytic expression for"?

    I don't recognize it as anything in particular but people have studied an awful lot of functions over the years, and somebody may have seen it. Note that you may as well set u=1 and ask about that! If nobody recognizes that sum, there's no chance of the two-parameter version being recognized.

    One usually wants to know where the sum came from. The context is usually helpful in obtaining alternative expressions. 

  • Maintaining 'food security' of the world, is it possible to substantiate a significant amount of chemical fertilizers with organic inputs?

    Organic farming definitely having some positive effect on food safety. But we can not ignore the aspect of food security in this context. So, maintaining food security  of the world is it possible to substantiate a significant amount of dreadful chemical fertilizers with organic inputs to combat environment pollution, maintain soil fertility status and provide relatively safe food to people? 

    Manas Mukhopadhyay · Government of West Bengal

    Thanks to all of you for your valuable contribution .Overall the world is producing surplus food right now, no doubt about it . The population of the world in 2010 was about 700 Crore and if the same growth rate is maintained the population of the world will be doubled by the end of this century.so, if we produce in the same rate as we are doing today definitely we are going to face a serious problem of 'food shortage' in the coming days. More over injudicious application  of chemical inputs ( Chemical fertilizer etc.) in agriculture to maintain a balance with the ever growing population polluting our environment so seriously that our existence in the land of living is in front of a big question mark. So, the serious question right now is , what strategies should be adopted to maintain a balance between food production and the ever growing population of the world ,keeping our environment safe to confirm our existence in the land of living .I am interested in different alternative farming approaches/ strategies that can be adopted.Shepherd mentioned about Integrated Farming Practice as an option. I want more discussion in this matter.

    with regards.

  • Samir A. Haddad added an answer in Paracoccus:
    Can anyone recommend some helpful books, manuals and/or guides covering microbiology, bacteriology and methods?

    Something I can keep for a quick reference to pull off the shelf while I'm learning labortory techniques and methods for working with bacteria.  Research is focused on Paracoccus denitificans (gram-negative facultative anerobe).

    Samir A. Haddad · Minia University

    if your work related to soil or agricultural microbiology then you can use those books: Soil Microbiology, Ecology and Biochemistry or Method of soil analysis (Microbiology and biochemistry).

  • Dimitar Jakimov added an answer in RIPA Buffer:
    Why do i see multiple bands in my western?

    Recently I have been seeing multiple bands in my westerns. I am using the same
    method I have been using for years, and it was fine till now. I am using RIPA buffer with protease inhibitors(2X). The protocol for western is even pretty standard. Please suggest if anyone knows whats going on?

    Sub Ques: Can Heat cause this? I has started using Bis tris gel and they run at 200V which makes the gel and buffer very Hot.

    Dimitar Jakimov · Oncology Institute of Vojvodina

    I think that it is blocking failure and/or high concentration of secondary Ab.

    We have the same problem some times and I found that the washing steps are also very important.

    Best regards.

  • Ella Pavlotskaya added an answer in Speaking:
    What is the diagnos for a five-year old and with language impairment ?

    I have a case of a child in his 5 years and he can not speak , he can speak so little and his biological test of (brain , ear , articulation ) is perfect and had no septum of (down syndrome  , autism , ...) , he is a normal kid but without a good language acquisition , what is the name of this kind of case?


    Not at all.  Glad to have been able to help. 


  • Nezisian Soltani asked a question in Abaqus:
    Problem in converging in explicit analyze in abaqus?

    I have a 2D model in abaqus(Explicit) and analyze is quasi-static(with time 50). material model is damage plasticity. I can see some crack in my model. but when i refine mesh, displacement will be very large that show no converging in solving.

    please help me how can i solve this problem.

  • Andrea Menegotto added an answer in Pragmatics:
    Can any body suggest or send the references for Pragmatics focusing on speech act theory?

    Dear sir/mam,
    One of my friends is doing Ph.D. in English on pragmatics, which focuses on speech act theory. Could you please suggest some good reading regarding this?
    thanking you
    yours sincerely
    Dr.Kiran R. Ranadive



    Andrea Menegotto · Universidad Nacional de Mar del Plata

    To do research on speech act theory one should start by undestanding the original theory: Austin (how to do things with words) and Searle (Speech acts).  From then on, there are too many references, particularly in English. I`d suggest your friend to narrow his question to a particular kind of speech act.   

  • Is there any testbed to evaluate general purpose Recommender Systems?

    I'm developing a general-purpose Recommender System but I need to evaluate its results for example with Precision, Recall and Unexpectedness. So, i would like to know if there is a testbed or a gold standard technique that allows me to compare the results of my RS. 

  • How can I stimulate muscle cell contraction in vitro?

    I want to mimic exercise conditions in vitro. 

    Silvan Silva De Araujo · Universidade Federal de Sergipe

    Dear Ediz
    I suggest that you read the following article, which stimulates C2C12 myoblasts as a way to mimic the metabolic conditions of the exercise: Scheler M. et al. Cytokine response of primary human myotubes in an in vitro exercise model. Am J Physiol Cell Physiol305: C877–C886, 2013.

    Good reading!

  • Qijun Zhang added an answer in Buffer:
    Does PBS buffer have any advantage than SSC buffer?

    I would like to perform Pepsin and Formaldehyde treatment to improve FISH technique using wheat root tips. I wonder if I can use 1% or 4% Formaldehyde in 2 x SSC instead of 1 X PBS. Does 1 x PBS have any advantage than 2 x SSC? Does anybody know which references to explain how function difference between PBS and SSC? Thanks a lot.

    Qijun Zhang · North Dakota State University

    Hi Taras,

    I will check it. Thanks.


  • Peter Petros added an answer in Soft Tissues:
    Is there a good reference for oedema mechanics and dynamics?

    I am interested in modeling the creation and the evolution of oedema in soft tissues during intraoperative procedures.

    Therefore I am searching references for what really is oedema and the mechanisms behind this response. The dominant physics procedures in the time evolution of the phenomenon and ways to create a fast accurate biomechanical model of this procedure.

    Peter Petros · University of New South Wales

    Dear Konstantinos.

    Yeia sou!

    As a practising surgeon I find the question is not so easy to answer.  Surgeons cut and sew. Wound oedema comes from wound reaction which is basically an acute inflammatory reaction.  in the 1st 24-48 hours there is movement of fluid,  lymphocytes and macrophages  from the blood into the injured tissues. A cascade of biochemical events occurs  involving the local vascular system and immune system,ultimately involving proliferation of collagen 3 which in time converts to collagen 1. 

    From a clinical viewpoint oedematous tissue is firm and non-elastic. I am certain that such tissue would be initially ischemic, as Michael says.  From a biomechanical modelling perspective the ultimate mechanisms which Michael details may not be so relevant.  Actually modelling becomes quite complex. Oedema of what? Which operation? Which organ? Which data to use?In our mathematical model of micturition which I think is a simpler project, we had to use cadaveric data for the different structures, collagen, smooth muscle etc which clearly are not the same as live tissue.

    Bush M, Wagenlehner F, Liedl B, Petros P, "A finite element model validates an external mechanism for opening the urethral tube prior to micturition in the female", World Journal of Urology, 2014 Oct 19. [Epub ahead of print] PMID: 25326768 189. 

  • Christopher McCrum added an answer in Vicon Nexus:
    Can anyone recommend a biomechanical model other than plugin gait (VICON Nexus)?

    I am looking for a full body plugin and marker set supporting VICON Nexus for sculling (Rowing) using concept 2. I am not very happy with the marker set by plugin gait as we lose the ASIS markers during the finish position.

    I will be more than happy to hear an update on this. Cheers

  • Cheryl Johnston added an answer in PFC:
    When we talk about depression and Prefrontal cortex (PFC), which area of PFC is more affected? Is it the Ventromedial-PFC or the Dorsolateral-PFC?

    We all know that PFC is affected due to Major Depression. But i want to know which region of PFC is majorly affected?  Is it the VMPFC or the DLPFC? Because, most of the literature has focused up on DLPFC? Is that more correlated to depression than VMPFC?

    Dear Hemanth, the impact on the various regions mentioned above is also determined by the type and severity of depression (as well as co morbid disorders, such as anxiety/Cardiovascular disease etc),. i wrote a comprehensive review on treatment resistant MDD. I have provided a small excerpt below which I hope will be of help in shedding further light

    "Morphological pathology.

    Current evidence, in conjunction with post mortem evidence indicates thatwhite matter lesions and reductions in grey matter are present in patients with Depression. White matter lesions can be a normal aspect of the aging process (Peters, 2006), or related to pathophysiological processes, such as diabetes or cerebrovascular disease risk factors (Schmidt et al., 1992).  The relationship between Depression and white matter lesions is not well known, however de Groot et al. (2000) established that the degree of severity of subcortical white matter lesions  was related to late onset Depression and depressive symptoms in non- demented elderly people (n=1077).  The presence of severe subcortical white matter lesions in elderly people may be a risk factor for Depression. The evidence of grey matter reductions in the hippocampal region in Depressed patients has been previously noted (Rajkowska, 2000).  Bremner et al. (2000) conducted a study on MDD patients  in remission, (n=16) versus matched nondepressed controls (n=16). The MDD group presented with a 19% smaller left hippocampal volume than the controls, which was significant.  The amygdala, caudate, frontal lobe, and temporal lobe regions were similar in volume between the MDD group and the controls (Bremner et al., 2000). In TRD patients, (n=20) versus healthy controls, (n=20) Shah et al. (2002) found attenuated grey matter density in the left temporal cortex, inclusive of the left hippocampal region, as well as signs of attenuation in the right hippocampus. The possible role of subcortical white matter lesions and the reduction in volume of the hippocampus and left temporal cortex needs to be investigated. It is proposed that the severity of attenuation may not be fully reversible and this could contribute to the development of TRD.

    Brain structure and connectivity pathology.

    Dysfunction within the limbic-cortical network is associated with Depression.  Attenutation occurs in the dorsal neocortical regions, whilst increased activity occurs in ventral limbic and paralimbic regions. The Dorsal medial frontal (Mf9), Rostral anterior cingulate (rcG24) and the medial orbital frontal cortex (Of11) have been identified as critical regions for the integration and communication between systems involved in self- referential processes, (Drevets, Price & Furey, 2008; Mayberg, 1997, 2003; Pizzagalli, 2011) and play a key role in Depression. Pathology in the  Medial Prefrontal Cortex (MPFC) in conjunction with areas such as the DLPFC, the Anterior Cingulate cortex (ACC) which is inclusive of regions such as the rostral, dorsal, and posterior cingulate cortex) , the anterior temporal, entorhinal and parahippocampal cortices have been identified (Drevets et al, 2008). The subcallosal cingulate gyrus (SBCG), inclusive of Brodmann area 25 and parts of 24 and 32 and in particular the rostral anterior cingulate(RACC) have been an increasing focus of attention in imaging studies due to their dysfunctionality in Depression and TRD (Hamani et al, 2011; Lozano et al, 2012; Pizzagalli, 2011). “The rostral cingulate cortex is thought to mediate between the dorsal (dorsolateral pre-frontal cortex, dorsal anterior cingulate cortex, inferior parietal cortex, and striatum) and ventral (paralimbic cortex, subcortical hypothalamus, insula, subgenual cingulate cortex, and brainstem) areas of limbic-cortical dysregulation in depression” (Hauptman et al., 2008, p. E3). The importance of the RACC, (rcG24, 24a) as well as the SBCG in Depression and TRD requires further investigation, as these regions may provide biomarkers for those at risk of developing TRD. (Hauptman et al., 2008; Lozano et al., 2008; Mayberg, 2003;Pizzagalli, 2011 ).

    Higher levels of activity  in the HPA Axis are known to be a feature of depressive disorders, (Gotlib et al., 2008).with the 5-HTTPLR being associated with amygdala activation (Aleman, Swart & van Rijn, 2008; Munafo, Brown  & Hariri, 2008).  Johnstone et al. (2007) in an fMRI study discovered that dysfunctional recruitment of the right prefrontal cortex (RPFC) and the attenuated recruitment of left lateral-ventromedial prefrontal regions (LLVMPFC), (which control amygdala activity) occurred in patients with MDD.  Rotenberg (2008) reviewed findings in relation to brain lateralization of function in Depression, and found that activity was attenuated in the left hemisphere, with dysfunctional processing occurring in the right.  These findings are consistent with the general finding that top down regulation of the HPA Axis is dysfunctional in Depression (Rotenberg, 2008). The relationships between anatomical areas and metabolic processes in Depression may occur on a continuum of severity, with TRD being most severe pathophysiologically.

     Hope this helps!

  • Is anyone working on slow cost medium or pretreatment techniques for bioethanol production?

    Want to get information about how to reduce ethanol production costs?

    Luis Javier Gallego Morales · University of Antioquia

    From my point of view, your question depends if in your location you have access to a low cost energy form (coal for example), if the answer is yes, you could use technologies that use high temperature or pressure like steam explosion or LHW. if it is not, acid or alkaline methods are the best from the economical point of view. 

  • What are the physical properties of vacuum?

    According to quantum mechanics, the vacuum state is not truly empty but instead contains fleeting electromagnetic waves and particles that detonate into and out of existence. Also, in conventional quantum physics, the origin of zero-point energy is the Heisenberg uncertainty principle. How we can describe quantum vacuum without using the uncertainty principle?

    Dear Hossein,

    According to my theory quantum theory and relativity become one theory, and they related to each others. The concept of quantization or discreteness occurs from the relativistic effect and also the relativistic effect occurs also depending  on the difference of the vacuum or the potential. and that is impossible to be understood without the modification of the equivalence principle, and that required to review the relativistic Newton's second law.You are completely right  in your idea of the relativistic Newton's second law, and that interpreted the most problems regarded to quantization of gravity, Especially GR is not completely relativistic. Because of that the equivalence principle of Einstein can't interpret the Bond-Rebka experiment and the red and blue shift of gravity, and as I told in my paper Proponents of the theory of General Relativity offer three different conflicting explanations of the results of the The Pound-Rebka experiment that are said to be equivalent to each other and therefore all equally correct. All make the claim that the results of the Pound-Rebka Experiment are “proof” of the Equivalence Principle even though nothing in these measurements suggests any need for the Equivalence Principle. Franson in his paper [32] J D Franson 2014 New J. Phys. 16 065008
    doi:10.1088/1367-2630/16/6/065008 calculated that, treating light as a quantum object, the change in a photon's velocity depends not on the strength of the gravitational field, but on the gravitational potential itself. However, this leads to a violation of Einstein's equivalence principle – that gravity and acceleration are indistinguishable – because, in a gravitational field, the gravitational potential is created along with mass, whereas in a frame of reference accelerating in free fall, it is not. Therefore, one could distinguish gravity from acceleration by whether a photon slows down or not when it undergoes particle–antiparticle creation. All of that can be interpreted according to my theory. Furthermore the VSL according to my reinterpretation of the Lorentz transformation according to the Copenhagen school. The information are too much and regarded to all branches of physics. It is new physics!