The predictions of Ritz's version of emission theory were consistent with almost all terrestrial interferometric tests save those involving the propagation of light in moving media, and Ritz did not consider the difficulties presented by tests such as the Fizeau experiment to be insurmountable.
32.
Fresnel's arguments in favour of that theory found little favour with Laplace, Poisson and Biot, the champions of the emission theory; but they were ardently espoused by Humboldt and by Arago, who had been appointed by the Academy to report on the paper.
33.
Presumably an article on emission theory will contain the expression for Doppler shift as a function of angle, and will note that this angle depends on the frame of reference, so the facts will automatically be covered . 63.24.96.146 22 : 42, 25 September 2005 ( UTC)
34.
Einstein's hypothesis of light " quanta " ( photons ), based on Maxwell's theory of electrodynamics . " The theory of light would be thrown back not by decades, but by centuries, into the age when Christiaan Huygens dared to fight against the mighty emission theory of Isaac Newton . . ."
35.
This led him to conclude that to be economically successful he had to produce a high resistance lamp ( around 100 ohms ) . ( Friedel and Israel 1987 ) Once he had established the need for a high resistance lamp he was faced with a lack of optical emission theories to describe the behaviour of materials when heated to incandescence.
36.
Many years later R . S . Shankland reports Einstein as saying that Ritz'theory had been " very bad " in places and that he himself had eventually discarded emission theory because he could think of no form of differential equations that described it, since it leads to the waves of light becoming " all mixed up ".
37.
Since the total flight-time difference between " fast " and " slow " lightsignals would be expected to scale linearly with distance in simple emission theory, and the study would ( statistically ) have included stars with a reasonable spread of distances and orbital speeds and orientations, de Sitter concluded that the effect " should " have been seen if the model was correct, and its absence meant that the emission theory was almost certainly wrong.
38.
Since the total flight-time difference between " fast " and " slow " lightsignals would be expected to scale linearly with distance in simple emission theory, and the study would ( statistically ) have included stars with a reasonable spread of distances and orbital speeds and orientations, de Sitter concluded that the effect " should " have been seen if the model was correct, and its absence meant that the emission theory was almost certainly wrong.
39.
In a brief paper in 1923, de Broglie wrote : " Dynamics must undergo the same evolution that optics has undergone when undulations took the place of purely geometrical optics . " In his 1924 thesis, though Newton, calling on an analogy with the material point dynamics that he created, developed a corpuscular theory, the so-called " emission theory ", which enabled him even to explain, albeit with a contrived hypothesis, effects nowadays considered wave effects, ( i . e ., Newton's rings ) ."
