At 09:20 am 19/08/2005 +0200, Knuke wrote: >Grimer wrote: > >> Now since the bubble is a very high pF (low Beta- >> atmosphere pressure) cavity, it occurred to me that >> one could see it as miniature cavity magnetron. >> >> Th combination of its small size and it low B-a >> pressure [high tension if one will insist on using >> an anthropomorphic datum ;-) ] suggests that it will >> be transmitting EM radiation at very short wave >> lengths and high frequencies.
> It is not a bad suggestion, Frank. This crossed my mind many years ago > while looking at a magnetron diagram. The main reason I haven't offered > it up myself was because I am still trying to conceptualize the > differences in the media. Now there you have put your finger on the real problem, i.e the difficulty of conceptualizing the difference in the media. > Walter Bauke is the father of an old friend of mine, Lee Bauke. Walter > worked for the lab in Berlin that developed the magnetron. After being > caught up and spit out of the blender known as World War 2, Walter, a > young German engineer, found himself married to an English woman, and > was wanted by the governments of the various winning countries for his > knowledge of the magnetron. He ran. His tale of the events following > the war was pretty funny considering the circumstances, but to keep this > short, Walter ended up spending the latter part of his career working > for NASA in New Mexico. > > Walter tried explaining to me how a magnetron worked in Seattle, but I > wasn't getting it until I saw a diagram. I looked at it, and announced, > "This Is Cavitating!". He said "Exactly!" But cavitating what, neither > one of us could explain very well. My machine cavitates liquids. His > cavitates free electrons in air. What is the connection? Is there a > connection? Look at it this way. View the air molecules (the Alpha-atmosphere [A-a]) as dissolved in the Beta-atmosphere [B-a] which consists of particles of neutral mass and neutral charge. Thus A-a pressure (15 psi) is only a tiny fraction of the B-a pressure (100,000 psi, say). There is plenty of evidence for the existence of the Beta-atmosphere providing one is prepared to slaughter a few sacred cows. 8-) The magnetron is not cavitating the air [A-a], it is cavitating the much stiffer Beta-atmosphere. Now the equation of state for water, PV^6 = a constant (see http://www.lsbu.ac.uk/water/strange.html) gives some feeling for the order of things we are dealing with. In fact the water used in sonoluminescence may be considered as a physical manifestation of the very stiff Beta-atmosphere. It is significant that in our high pressure tests on concrete we used water and air pressures to successfully simulate increases in Beta-atmosphere pressure. If you can get your head around all that then you can see that the medium being cavitated in the magnetron ain't a whole lot different from the medium being cavitated in the sonoluminescence apparatus. It's just that. for us, one medium is very tangible and the other ain't. >My feeling is that the liquid cavitation phenomena do produce enough >free electrons through friction at the final moments of bubble collapse >that a mini-plasma forms on the inside of the bubble walls. This is >facilitated when a fluid is used that has a high dielectric constant. >The combination of these circumstances, (high vacuum inside the bubble, But your concept of a vacuum fizzles out at -15 psi, i.e. at the exhaustion of Alpha-atmosphere partial pressure, whereas my concept of a vacuum carries on to - -100,000 psi, say. That is the crucial difference. >plenty of free electrons, rapidly decreasing dimensions of the bubble, >and possible microwaving) are what is driving the various chemical and >nuclear reactions that are being observed. > >It could well be that similar results could be made possible in a gas >using a magnetron ... - or even the Beta-atmosphere using a magnetron, eh! ;-) - > ... Has anyone tried microwaving Radon, for example, and > taking a neutron count? Could the dimensions of the magnetron cavities > be optimized for various gases as compared to the magnetrons we have in > microwave ovens? They don't look all that difficult to build, and it > certainly seems worth a try considering the price tag of ITER. Unfortunately, a rather large Gestalt switch is needed before anyone could visualize the relevance of such experiments. Still, you seem to have caught a glimmer of luminescence 8-) - so maybe there's hope yet. Cheers, Frank Grimer