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Gravitational Lensing
20 years 10 months ago #7579
by Jan
Replied by Jan on topic Reply from Jan Vink
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by rousejohnny</i>
<br />An engineer I know has some high temperature supercomductors in his lab. He said on paper gravity waves can interact with light via the spin of electrons. He is trying to talk his business partner into doing an experiment to confirm the math. I will let you all know what happens if he does it.
<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">
Are you referring to work done by Raymond Chiao?
Take a look at [url] www.physics.berkeley.edu/research/chiao/welcome.html [/url]
Tom,
Just out of curiosity, but have you heared anything about his latest experiments on superconductivity and the conversion of microwaves to gravitational waves and vice versa? I'll assume it did not work, otherwise we would have seen it on the news around the globe.
<br />An engineer I know has some high temperature supercomductors in his lab. He said on paper gravity waves can interact with light via the spin of electrons. He is trying to talk his business partner into doing an experiment to confirm the math. I will let you all know what happens if he does it.
<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">
Are you referring to work done by Raymond Chiao?
Take a look at [url] www.physics.berkeley.edu/research/chiao/welcome.html [/url]
Tom,
Just out of curiosity, but have you heared anything about his latest experiments on superconductivity and the conversion of microwaves to gravitational waves and vice versa? I'll assume it did not work, otherwise we would have seen it on the news around the globe.
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20 years 10 months ago #7775
by tvanflandern
Replied by tvanflandern on topic Reply from Tom Van Flandern
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Jan</i>
<br />have you heared anything about his latest experiments on superconductivity and the conversion of microwaves to gravitational waves and vice versa?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">No. The concept itself is undefined. What would converting a dipole (spin-1) phenomenon to a quadrupole (spin-2) phenomenon mean? It is converting a one wave type into a different, unrelated wave type, like converting a light wave into a sound wave. They would have to define their meaning before I would invest in such an experiment.
Of course, it remains true that no gravitational wave has ever been detected in the laboratory, or in the solar system for that matter. -|Tom|-
<br />have you heared anything about his latest experiments on superconductivity and the conversion of microwaves to gravitational waves and vice versa?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">No. The concept itself is undefined. What would converting a dipole (spin-1) phenomenon to a quadrupole (spin-2) phenomenon mean? It is converting a one wave type into a different, unrelated wave type, like converting a light wave into a sound wave. They would have to define their meaning before I would invest in such an experiment.
Of course, it remains true that no gravitational wave has ever been detected in the laboratory, or in the solar system for that matter. -|Tom|-
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20 years 10 months ago #7584
by Jan
Replied by Jan on topic Reply from Jan Vink
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by tvanflandern</i>
<br /><blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Jan</i>
<br />have you heared anything about his latest experiments on superconductivity and the conversion of microwaves to gravitational waves and vice versa?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">No. The concept itself is undefined. What would converting a dipole (spin-1) phenomenon to a quadrupole (spin-2) phenomenon mean? It is converting a one wave type into a different, unrelated wave type, like converting a light wave into a sound wave. They would have to define their meaning before I would invest in such an experiment.
Of course, it remains true that no gravitational wave has ever been detected in the laboratory, or in the solar system for that matter. -|Tom|-
<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">
The LIGO project and other similar experiments have not yet detected any gravitational waves. Do we actually expect them to measure anything at all?
Since they hope to detect any contractions of the laser paths, have they actually taken tectonic contractions into account due to natural dynamics?
<br /><blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Jan</i>
<br />have you heared anything about his latest experiments on superconductivity and the conversion of microwaves to gravitational waves and vice versa?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">No. The concept itself is undefined. What would converting a dipole (spin-1) phenomenon to a quadrupole (spin-2) phenomenon mean? It is converting a one wave type into a different, unrelated wave type, like converting a light wave into a sound wave. They would have to define their meaning before I would invest in such an experiment.
Of course, it remains true that no gravitational wave has ever been detected in the laboratory, or in the solar system for that matter. -|Tom|-
<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">
The LIGO project and other similar experiments have not yet detected any gravitational waves. Do we actually expect them to measure anything at all?
Since they hope to detect any contractions of the laser paths, have they actually taken tectonic contractions into account due to natural dynamics?
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20 years 10 months ago #7891
by tvanflandern
Replied by tvanflandern on topic Reply from Tom Van Flandern
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Jan</i>
<br />Do we actually expect them to measure anything at all?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">I've not examined the experimental detail to see what types of waves they are sensitive to. But if they are looking for spin-2 waves, the answer is "no".
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">have they actually taken tectonic contractions into account due to natural dynamics?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">Seismic waves are of a completely different type. My understanding is there will be no confusion. -|Tom|-
<br />Do we actually expect them to measure anything at all?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">I've not examined the experimental detail to see what types of waves they are sensitive to. But if they are looking for spin-2 waves, the answer is "no".
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">have they actually taken tectonic contractions into account due to natural dynamics?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">Seismic waves are of a completely different type. My understanding is there will be no confusion. -|Tom|-
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