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Topic: Lumeniferous ether


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In the News (Sat 26 Dec 09)

  
  What Remains To Be Discovered
By showing that there is no lumeniferous æther, the experiment had thrown doubt on the mechanism of Maxwell's electromagnetic waves.
The notion of the ether was perhaps still tenable until 1905, but with a modicum of foresight on the part of our hypothetical author, speculation about the structure of space and time would surely have featured in What Remains to Be Discovered (in 1900).
The emergence of quantum mechanics could not have been foreseen in 1900, and it would have required a perceptive author indeed to appreciate that gravitation would be as important an issue as it was in the twentieth century.
blueflag.phys.yorku.ca /menary/misc/maddox_what_remains.html   (7074 words)

  
 Relativity Chapter 2: The Speed of Light
Light was then thought to be a disturbance of this ether, just as water waves are a disturbance of the surface of the water.
Of course, Michelson immediately realized that perhaps the Ether was moving compared to the Sun, and on the day of his experiment the Earth happened to be precisely standing still in the Ether.
Michelson also reasoned that if the Ether was being dragged along with the Earth, we should see the apparent position of stars move, depending on the angle their light entered the Earth's ether.
quantumrelativity.calsci.com /Relativity/Chapter2.html   (3473 words)

  
 Michelson Morley experiment - Science a GoGo's Discussion Forums
Ether was, in fact, believed to pervade all space.
There are no indications that the current understanding of light is incomplete, and no observations to suggest that an 'ether' is required to account for any phenomena.
Dark matter, having mass, does affect light, but it's quite different from the concept of ether; and it seems that if any other new 'all-pervasive' energy or matter were discovered (currently, we have the dark energy hypothesis), it wouldn't qualify, by definition, as ether.
www.scienceagogo.com /forum/ubbthreads.php?ubb=showflat&Number=21754   (858 words)

  
 Light Mission Inspirational Wisdom Books
He also posited that there is a medium called 'Lumeniferous Aether' that fills all the empty space.
With the conception of a medium of ether, he tried to explain the independent existence of photons.
Later on, it was revealed that even the empty space or a vacuum could also act as a medium.
www.light-mission.org /MysticAwareness.html   (7563 words)

  
 Astronomy@kirkwood:ic —The Theory of Special Relativity
Hence, the lumeniferous ether was postulated as the medium needed to transport electromagnetic radiation.
As far as he was concerned, the vast body of work that was being created on the subject (and was also leading some of the greatest scientific minds down dead-end paths) was simply a misinterpretation of Maxwell's equations based on an erroneous belief in the reality of the luminiferous ether.
The solution, according to Einstein, was to give up the concept of the ether and accept the speed of light is constant for all observers.
www.avalon.net /~bstuder/spec_rel_1.html   (1436 words)

  
 Experimental Basis of Special Relativity
The expected fringe shift is what would be expected for a rigid ether at rest with respect to the sun and earth's orbital velocity (~30 km/sec).
SR predicts no ether but does predict that the speed of light in a moving medium differs from the speed in the medium at rest, by an amount consistent (to within experimental resolutions) with these experiments and with the Fresnel drag coefficient.
He reports a net ether drift of about 10 km/sec, and describes the variation in velocity and direction in terms of the motions of the sun and the earth combined with a net ether drift.
www.atomki.hu /fizmind/specrel/experiments.html   (7302 words)

  
 9: The Unseen Universe
In the visible universe, the ether was fractionally less than perfect, which accounted for the principle of entropy (the gradual dissipation of energy) and the eventual extinction of all material life.
As to the matter of serial ethers and universes, Clifford is wholly dismissive of the Tait-Stewart hypothesis, adducing against it the then most advanced cosmological ideas of space-curvature and of relative inter-galactic emptiness to rebut the traditional belief in the uniform and unlimited distribution of stars throughout the universe.
Far greater, indeed, is the work which the second ether has to perform: nothing less than the fashioning of a “spiritual body”.
www.gkbenterprises.fsnet.co.uk /thesis/ch09.htm   (5428 words)

  
 Notes (Chapter 9)
86 The notion of an all-pervasive lumeniferous ether did not disappear immediately; indeed the term “ether” remained in popular usage until the mid-twentieth century: see Cantor and Hodge (1981) esp. p.53, who indicate that “not a few [modern] physicists have urged the necessity of some form of ether theory”.
G.N. Cantor, in Cantor and Hodge (1981) p.151: “The late Victorian resurgence of interest [in the ether] is perhaps best explained by the ‘crisis of faith’ that affected many scientists, who then frequently attempted to reconcile science and religion through the somewhat simplistic strategies offered by spiritualism”.
While that influence is undeniable, it is perhaps fairer to speak of Smith discovering, in Rothe’s work, views which harmonised with and supported the conclusions of his own thinking.
www.gkbenterprises.org.uk /thesis/ch09-n.htm   (2615 words)

  
 Bad Astronomy Blog » Dark matter is for WIMPs
The comparison with the lumeniferous ether is instructive.
The ether theory was eventually brought down by a combinations of new observations which apparently contradicted it and a new theory which encompassed all the existing phenomena _and_ made new and testable predictions.
Ether ran into issues with whether it was “stiff” because of how light behaves, and, if so, how it interacted with normal matter.
www.badastronomy.com /bablog/2008/02/27/dark-matter-is-for-wimps   (5263 words)

  
 Experimental Basis of Special Relativity
The Michelson-Morley experiment (MMX) was intended to measure the velocity of the Earth relative to the “lumeniferous æther” which was at the time presumed to carry electromagnetic phenomena.
The failure of it and the other early experiments to actually observe the Earth's motion through the æther became significant in promoting the acceptance of Einstein's theory of Special Relativity, as it was appreciated from early on that Einstein's approach (via symmetry) was more elegant and parsimonious of assumptions than were other approaches (e.g.
All that being said, I repeat: as of this writing there are no reproducible and generally accepted experiments that are inconsistent with SR, within its domain of applicability.
math.ucr.edu /home/baez/physics/Relativity/SR/experiments.html   (13953 words)

  
 Just mention of a post in Craven Monk - Kenzer & Company Discussion Forums
I think it would be fun to do so, and has the side benefit of slowly adding ideas, book titles, authors, and so forth to the community of knowledge.
To wit in my current post there, I (Dwarf) have been researching Aeter Theories (Aether, Ether, etc) and have run into a wall where I know that Sir Isaac Newton, while trying to prove Aether theory, did actually disprove the Spiral Theory, but I have failed to find a comprehensable definition of the Spiral Theory.
My reason for being interested in these older theories is that fantasy RPGs are a great place to introduce a "what if they were true and the experiments did work" but for that to happen I must fully understand the theories.
www.kenzerco.com /forums/showthread.php?t=26641   (321 words)

  
 The universe is 90 billion light years across
What it does is limit how far we can see; we are able to observe galaxies receding from us faster than c, but the light we see from them was emitted in the past.
So lumeniferous ether is back...except instead of flowing, now it's expanding?
Note that the photons are not being carried along by some sort of ether; they are affected for the same reason that they are bent by gravitational fields; they are simply following geodesics in a curved spacetime.
forums.howwhatwhy.com /printthread.php?Cat=&Board=space&main=307490&type=thread   (2264 words)

  
 5: The "Rights of Matter"
By analogy with the observable waves created by a pebble thrown into water, it could be inferred that sound waves in air were similarly propagated and consequently that light waves behaved in a similar fashion, due to molecular movement (“vibration”) within a hypothesised medium.
The problem for physicists of the day lay, not in the assumption of an ether (which theoretically seemed utterly convincing), but in determining its actual nature.
In this respect, the interesting properties of glacial ice seemed to offer a clue – all were agreed that glaciers moved, yet the obviously brittle nature of ice seemed at odds with its observed fluidity.
www.gkbenterprises.fsnet.co.uk /thesis/ch05.htm   (4984 words)

  
 Qi
Attempts to directly connect qi with some scientific phenonomenon have been attempted since the mid-nineteenth century.
The philosopher Kang Youwei argued that qi was synonymous with the later abandoned concept of lumeniferous ether.
Some in the early 21st century are attempting to link the concept of qi to biophotons.
www.mandrake-press.co.uk /Main_article/qi.html   (786 words)

  
 The Education of a Woman: The Life of Gloria Steinem
Essentially, it is a confusion of gender with the Marxist notion of class, as that idea had been reinterpreted by American leftists to explain the concept of racial caste.
Like the ether, patriarchy is ubiquitous in space and time, impervious to decay, yet withal curiously impossible to isolate.
The best you can do is study its indirect effects, of which the world as we know it is the chief example.
www.johnreilly.info /lgs.htm   (3499 words)

  
 Great Lakes SPIE Regional Chapter
They called this medium" lumeniferous aether," literally a light-bearing gas that they believed surrounded the planet.
This experiment proved the non-existence of ether and gave circumstantial evidence to substantiate Einstein's Theory of Relativity.
In 1907, Michelson became the first American scientist ever to receive a Nobel Prize, recognizing his "optical precision instruments and the research carried out with their aid." The high school students will repeat the original Michelson’s experiment and measure the speed of light.
glphotonics.org /glstforhsch.html   (1180 words)

  
 LISTSERV 14.4
She says I should break from my relentless coverage of information superhighways and tell you for example where Ethernet got its name.
The word ether came from lumeniferous ether -- the omnipresent passive medium once theorized to carry electromagnetic waves through space, in particular light from the Sun to the Earth.
Around the time of Einstein's Theory of Relativity, the light-bearing ether was proven not to exist.
listserv.linguistlist.org /cgi-bin/wa?A2=ind9907c&L=ads-l&P=414   (562 words)

  
 QUANTUM NUMEROLOGY AND VORTICULAR PHYSICS, NAZI STYLE
The rejection of relativity meant to a certain extent that the pre-relativistic idea of an aether lumeniferous regained some currency, via its quantum mechanics version of zero point energy or vacuum flux.
Hilgenberg's paper was arcane and abstruse in the extreme, advocating the idea of gravitation as a vertical ether sink.
Thus, as in relativity, gravity was the consequence of a complex geometry, only in Hilgenberg's case, this meant that "mass" was a geometric result manifest, for example, in a rotating body's interior.
missilegate.com /rfz/swaz/chapter13.htm   (9459 words)

  
 [No title]
"Yes, well..." she muttered, and continued brightly, "on the other hand, wave theory, or ether theory, is that the universe is filled with small particles called ethons.
Ether - nothing to do with anaesthetic gas - is considered a medium for light.
Cameron was getting a glazed 'head her off at the pass' look as she warmed to her theme.
www.pandemonium.me.uk /stargate/ephemerisfeb2mar.htm   (8298 words)

  
 [No title]
The Basic Conception In 1665 Newton completed his undergraduate work at Trinity College, Cambridge, and stood at the threshold of his scientific career.
The conception of the aether as a pervasive, subtle substance, or medium, through which ordinary matter moves freely but which can transmit both force and wave motion from place to place, played an important part in scientific thinking from the time of Descartes until the early years of the twentieth century.
Because it seemed essential to the wave theory of light, this space-filling substance came to be known as the lumeniferous aether.
www.physics.csbsju.edu /RPEG/special/mall_search.9.dat   (4456 words)

  
 Is realism or idealism more parsimonious? - Page 2 - IIDB
A more famous case of that did occur at the start of the 20th century when the hypothesis of the "lumeniferous ether" was tested by Michaelson and Morley, and the negative result was "explained" by the assumption that all measuring devices had expanded to account for the discrepancy.
This assumption was discarded as ad hoc and the hypothesis of the luminiferous ether was discarded accordingly.
To address your question directly: there is, I think, no algorithm for deciding whether an assumption is ad hoc in the way I described.
iidb.infidels.org /vbb/showthread.php?p=4369865   (3059 words)

  
 Notes (Chapter 5)
F.M.Turner (1974) p.120: “The most important of these [quasi-scientific] ideas was the concept of a cosmic ether, an imperceptible substance that according to most physicists filled up apparently empty space and provided the medium for the transmission of light and other forms of energy”.
Interestingly, Tyndall had emphasised the purely hypothetical nature of the ether in his B.A. lecture of 1870 “On the Scientific Use of the Imagination”: “With all our belief of it, it will be well to keep the theory of a lumeniferous æther plastic and capable of change.
You may, moreover, urge that although the phenomena occur as if the medium existed, the absolute demonstration of its existence is still wanting”.
www.gkbenterprises.org.uk /thesis/ch05-n.htm   (3063 words)

  
 Qi - Free Encyclopedia of Thelema
Attempts to directly connect qi with some scientific phenonomena have been attempted since the mid-nineteenth century.
The philosopher Kang Youwei believed that qi was synonymous with the later abandoned concept of lumeniferous ether.
In the early 21st century, attempts have been made to link the concept of qi to biophotons or inner biological energy flow.
fet.egnu.org /wiki/Qi   (1194 words)

  
 Articles - Qi   (Site not responding. Last check: )
Attempts to directly connect qi with some scientific phenonomena have been attempted since the mid-nineteenth century.
The philosopher Kang Youwei believed that qi was synonymous with the later abandoned concept of lumeniferous ether.
In the early 21st century, unsuccessful attempts were made to link the concept of qi to biophotons or inner biological energy flow.
www.ranau.net /articles/Qi   (1088 words)

  
 [No title]
Subject: Absolute velocity of the Earth To: SPACE at MIT-MC The tenets of special relativity, that absolute velocity is physically meaningless and that there is no lumeniferous ether, are generally considered as established because of the agreement between the predictions of the theory and experimental results.
Although there is no ether with respect to which we can measure the velocity of the Earth, the vacuum of space is actually filled with fl body radiation at a temperature of 3 K, and it is possible to define one's velocity with respect to this radiation.
An observer is at rest when the radiation is isotropic (independent of direction).
gopher.quux.org:70 /Archives/usenet-a-news/FA.space/82.01.17_ucbvax.5827_fa.space.txt   (889 words)

  
 PhysOrgForum Science, Physics and Technology Discussion Forums [Powered by Invision Power Board]
The 19th century ether model requires absolute motion, and predicts the Casimir effect will depend on absolute motion, thus is incompatible with experiment.
It is equally compatible with a 19th century naive ether theory, where the speed of light is only absolute with respect to the unmoving ether, and SR where the speed of light is c for any inertial observer.
This was a phenomenological model to try and explain the null result of the Michelson and Morley interferometer searches for the absolute motion of the earth in the lumeniferous ether...
www.physforum.com /index.php?act=Print&client=printer&f=16&t=8100   (12881 words)

  
 [No title]
Originally scientists had difficulty with the 'ether' theory in which all electro-magnetic radiation traveled at a constant speed, c, in relation to one frame of reference, the 'lumeniferous ether'.
The Gallilean equations are used with the understanding that light travels at speed c from its source in a vacuum.
Relativity did not fit the 'ether' theory just as pre-Copernican astronomy equations would not have fit a 'flat earth' theory.
artofhacking.com /IET/NEWTECH/PARADOX.TXT   (7077 words)

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