On Tue, Jul 18, 2017 at 7:13 AM, Brian Ahern <ahern_br...@msn.com> wrote:
There are no room temperature superconductors. They are theoretically impossible. ***Someone should tell the guys who are working towards that goal. https://en.wikipedia.org/wiki/Room-temperature_superconductor On 7/18/17, Axil Axil <janap...@gmail.com> wrote: > Leif Holmlid sites J. E. Hirsch when he describes metallic hydrogen as a > superconductor. Holmlid et al have verified that the hydrogen trapped in > the microcavities present in iron oxide are superconductors. Hirsch now > believes that all superconductivity in high Tc cuprates as well as all > other superconductors are hole superconductors. > > https://arxiv.org/pdf/1704.07452 > Towards an understanding of hole superconductivity > Fig. 1. (Color online) Cluster with more than 100 hydrogen atoms squeezed > in palladium crystal defect with superconducting properties measured by > SQUIDS (Lipson et al. , 2005; Miley et al. , 2007) is generated, see Figure > 1 in Miley et al. (2008). > [image: Fig. 1. (Color online) Cluster with more than 100 hydrogen atoms > squeezed in palladium crystal defect with superconducting properties > measured by SQUIDS (Lipson et al. , 2005; Miley et al. , 2007) is > generated, see Figure 1 in Miley et al. (2008).] > > The detection by MFMP of the x-ray burst is experimental evidence that hole > superconductivity is present at temperatures near 1000C. > > The detection of this radiation burst can be cited as verification of the > existence of high temperature superconductivity produce by a hole > superconductor as cited by Holmlid. > > This bremsstrahlung like radiation has no K line spikes that always appears > in this continuum. > > The characteristic x-ray emission which is shown as two sharp peaks in the > illustration at left occur when vacancies are produced in the n=1 or > K-shell of the atom and electrons drop down from above to fill the gap. The > x-rays produced by transitions from the n=2 to n=1 levels are called > K-alpha x-rays, and those for the n=3→1 transition are called K-beta > x-rays. > > http://hyperphysics.phy-astr.gsu.edu/hbase/quantum/xrayc.html > > The lack of these K line spikes indicate that the bremsstrahlung like > radiation was generated by something other than an interaction of high > energy electrons impacting on a metal lattice. > > On Tue, Jul 18, 2017 at 7:13 AM, Brian Ahern <ahern_br...@msn.com> wrote: > >> >> There are no room temperature superconductors. They are theoretically >> impossible. All reports of them have never been corroborated. >> The explanation would take hours, but Keith Johnson solved the problem in >> 1983 in the Journal of Synthetic Metals volume 5. >> >> There are numerous magnetic anomalies that seem like a Meisner Effect, >> but >> they do not share all of the attributes. >> >> ------------------------------ >> *From:* Jed Rothwell <jedrothw...@gmail.com> >> *Sent:* Monday, July 17, 2017 1:56 PM >> *To:* Vortex >> *Subject:* Re: [Vo]:Rossi versus Darden trial settled >> >> I wrote: >> >> >>> I do not think there is experimental evidence for this, I suppose >>> because >>> it would be difficult to test for. >>> >> >> Difficult because, presumably, in the cathode only microscopic domains of >> nuclear-active spots superconduct. Not the whole cathode. I think that >> finding a tiny amount of superconducting material in a sample that is 99% >> not superconducting would be difficult. >> >> >
