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I too wondered how researching ampere leads one to a crank website, but perhaps motivated reasoning is something we can all be guilty of. The more aware among us try to catch ourselves when we do it and re-evaluate our thought process.
Originally posted by john_bmth
reply to post by Mary Rose
Funny, I googled "ampere" and ended up on a very informative set of articles on Wikipedia (first hit of first page). Strange how you skipped pages and pages of informative google results to "end up" on some crank website. But I guess that's Motivated Reasoning for you.
I didn't say I disagree with Tesla. Here is a link to it:
Originally posted by ImaFungi
reply to post by john_bmth
Have you and arbituer read the Tesla paper ( "The dissipation of electricity") discussed in MaryRose' quote?
what was so wrong about teslas ideas? what didnt you agree with about the paper?
"If this term is permitted" acknowledges that perhaps it's not, and at least he understands that it's not really proper terminology. But I understand what he's trying to say and don't have a problem with the idea that some electrical energy is dissipated in air. But some woo people might see that and then start talking about nonsense like electric sound waves, completely ignoring Tesla's reference to "If this term is permitted". Context and understanding make a difference.
The apparatus, oscillator and resonator, being immersed in air, or other discontinuous medium, there occurs - as I have pointed out in the description of my recent experiments before the English and French scientific societies – dissipation of energy by what I think might be appropriately called electric sound waves or sound-waves of electrified air. In Prof. Bjerknes's experiments principally this dissipation in the resonator need he considered, though the sound-waves-if this term be permitted-
Yes , he was an "aggressive" thinker.
Originally posted by buddhasystem
reply to post by Arbitrageur
Arb, just in case -- this is a nice compendium of Tesla's lectures. You will see that Tesla was certainly an "aggressive" thinker, and didn't think twice before filling the gap in the theory at his disposal (and knowledge) with intuition and guesses. Sometimes it worked, sometimes it didn't. His explanation of dissipation of energy in gaseous media is far from satisfactory, and it's not his fault -- he was at the cutting edge of this research in his time.
I did mention something about that before, didn't you read the thread?.
Originally posted by StareDad
Electrons flow, not electricity.
Maybe someone mentioned it before.
3rd
Originally posted by Arbitrageur
reply to post by Americanist
You know, speakers and microphones of the earliest electrical designs that could convert back and forth between sound energy and electromagnetic energy were developed in the 1920's. Yet now, I guess some people are excited about the fact that there are variations possible on the methods developed nearly a century ago. Who'd have thunk it?
Originally posted by Arbitrageur
reply to post by Mary Rose
As jonnywhite suggested, even Einstein may have been susceptible to this regarding his ""God doesn't play dice" quote, since it seems the opposite is probably true with quantum mechanics.
Originally posted by buddhasystem
reply to post by Arbitrageur
His explanation of dissipation of energy in gaseous media is far from satisfactory, and it's not his fault -- he was at the cutting edge of this research in his time.
No idea what you mean, read jonnywhite's post, if you don't understand it, research it.
Originally posted by ImaFungi
In order for your denial of Einsteins statement to be true...wouldn't the laws of physics have to not exist?
On one roll of the dice, you have no idea what number will pop up. But on thousands or millions of rolls of the dice, you can predict statistically what the dice will do.
but you say its a playing of dice
Originally posted by ImaFungi
Originally posted by buddhasystem
reply to post by Arbitrageur
His explanation of dissipation of energy in gaseous media is far from satisfactory, and it's not his fault -- he was at the cutting edge of this research in his time.
thanks for the link... can you perhaps touch on how we now know energy dissipates in a gaseous medium?
Originally posted by Mary Rose
From johnbedini.net:
. . . Tesla's Discovery and Application of Radiant Energy
. . . Only after conducting exhaustive experimental trials for the next three years, did Tesla announce this stupendous discovery in a paper published in December, 1892, entitled "The Dissipation of Electricity". . . . The transformer that Tesla referred to in the 1892 paper did not operate on magnetic/electric field induction created by alternating currents. It operated in an entirely new domain of physics based on abrupt discharges of electrostatic potentials and the subsequent release of kinetic Radiant Energy from the omnipresent ether. Tesla was now operating under entirely new rules which he referred to as "dynamic" electro-static forces and had, by now, completely abandoned any further interest in the AC waveform. The genesis of the Lodge misunderstanding, however, began a few years earlier with the publication of certain mathematical formulas by a brilliant Scotsman named James Clerk Maxwell. . . .
The Electrical Engineer — December 21, 1892
Anyone who, like myself, has had the pleasure of witnessing the beautiful demonstrations with vibrating diaphragms which Prof. Bjerknes, exhibited in person at the Paris Exposition in 1880, must have admired his ability and painstaking care to such a degree, as to have an almost implicit faith in the correctness of observations made by him. His experiments "On the Dissipation of the Electrical Energy of the Hertz Resonator," which are described in the issue of Dec. 14, of THE ELECTRICAL ENGINEER, are prepared in the same ingenious and skillful manner, and the conclusions drawn from them are all the more interesting as they agree with the theories put forth by the most advanced thinkers. There can not be the slightest doubt as to the truth of these conclusions, yet the statements which follow may serve to explain in part the results arrived at in a different manner; and with this object in view I venture to call attention to a condition with which, in investigations such as those of Prof. Bjerknes, the experimenter is confronted.
The apparatus, oscillator and resonator, being immersed in air, or other discontinuous medium, there occurs—as I have pointed out in the description of my recent experiments before the English and French scientific societies—dissipation of energy by what I think might be appropriately called electric sound waves or sound-waves of electrified air. . . .
. . . Taking the above views, I believe, that in the experiments of Prof. Bjerknes which lead him to undoubtedly correct conclusions, the air is a factor fully as important, if not more so, than the resistance of the metals.
It operated in an entirely new domain of physics based on abrupt discharges of electrostatic potentials and the subsequent release of kinetic Radiant Energy from the omnipresent ether.
Originally posted by Mary Rose
reply to post by buddhasystem
That's hilarious. And, rather pompous, to say the least.
Originally posted by buddhasystem
I don't see any pomp here other than coming from you, with all those "new domains of physics", "radiant energy" etc, and it's pomp because you possess ZERO knowledge of physics in the first place. Copy-paste from the woo-woo sites is the only thing you are capable of.
Originally posted by Mary Rose
From johnbedini.net:
Hertz Waves
Hertz used the damped oscillating currents in a dipole antenna, triggered by a high-voltage electrical capacitive spark discharge, as his source of radio waves. His detector in some experiments was another dipole antenna connected to a narrow spark gap. A small spark in this gap signified detection of the radio wave. When he added cylindrical reflectors behind his dipole antennas, Hertz could detect radio waves about 20 metres from the transmitter in his laboratory. He did not try to transmit further because he wanted to prove electromagnetic theory, not to develop wireless communications.
Hertz was uninterested in the practical importance of his experiments. He stated that "It's of no use whatsoever ... this is just an experiment that proves Maestro Maxwell was right - we just have these mysterious electromagnetic waves that we cannot see with the naked eye. But they are there."[3] Asked about the ramifications of his discoveries, Hertz replied, "Nothing, I guess." Hertz also stated, "I do not think that the wireless waves I have discovered will have any practical application." The art of radio was left to other to implement into a practical useful form. His discoveries would later be taken up by entrepreneurs looking to make their fortunes. Marconi's 1895 experiments followed Hertz's work (among others) by using a spark source in what became known as a spark-gap transmitter.
Maxwell's Equations
Using mathematical models, James Clerk Maxwell had earlier suggested that two different types of electrical disturbances could possibly exist in Nature. One type was a longitudinal electric wave which required alternating concentrations of densified and rarefied pulsations of electrostatic fields that moved along a single vector (today, we refer to these as standing waves or scalar waves). Maxwell ultimately rejected this idea because he was convinced that this type of wave propagation was impossible to achieve, but his assumption was erroneous and would later portend formidable consequences for Tesla and the world at large.
Maxwell's second wave postulation was that of a transverse electromagnetic wave that exhibited a rapid alternation of electric fields along a fixed axis that radiated away from its point of origin at the speed of light and was detectable at great distances. Maxwell had more faith in the existence of this type of wave and encouraged experimenters to look in this direction. It was the discovery of this type of wave that Hertz had laid claim to, but Tesla was meticulous and fastidious in replicating Hertz's experimental parameters and he could not obtain the results claimed by Hertz.
Tesla discovered a fundamental flaw in Hertz's experiment: Hertz had failed to take into account he presence of air in his experiments. Hertz had mistakenly identified electrostatic inductions or electrified shockwaves as true electromagnetic waves. Tesla was saddened to bring this news to the distinguished academician, but felt scientific honesty was paramount if progress was to be achieved. Tesla visited Hertz in Germany and personally demonstrated the experimental error to him. Hertz agreed with Tesla and had planned to withdraw his claim, but reputations, political agendas, national pride, and above all, powerful financial interests, intervened in that decision and set the stage for a major rift in the 'accepted' theories that soon became transformed into the fundamental "laws" of the electric sciences that have held sway in industry and the halls of academia to the present day.
Originally posted by Mary Rose
Originally posted by buddhasystem
I don't see any pomp here other than coming from you, with all those "new domains of physics", "radiant energy" etc, and it's pomp because you possess ZERO knowledge of physics in the first place. Copy-paste from the woo-woo sites is the only thing you are capable of.
Your "woo-woo" is other, open-minded, careful people's diligent investigation - despite ridicule, which is a sign of weakness.