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LIGO_casebook

This is the basic

This is the basic description of LIGO’s operating principle. In actual practice the instrument is far more complex. These complexities of the instrument give rise to much higher precision and reliability with which the measurements can be made. But those complexities do not enter our discussion. All we need to carry in mind is the basic technique by which LIGO measures the movement of the mirrors. Figure 3: Location and orientation of the Hanford (H1) and Livingston (L1) detectors. Notice that determining the relative three-dimensional orientation of the two detectors must include the curvature of the Earth. The discovery of gravitational waves involved two LIGO stations that were instrument-wise identical. One is located in Hanford in the state of Washington, and the other in Livingston in Louisiana (Figure 3). The idea of having two stations 3000 km apart is to test whether a signal observed is recorded simultaneously at both stations. A gravitational wave will produce the same signal (same waveform) at the two stations. Other conceivable types of disturbances generally will not. The light travel time for the ~ 3000-km path – the straight-line distance between the two stations - is 10 ms. So, if a gravitational wave arrives in a direction parallel to the line joining the two stations, it will arrive at the second station 10 ms after it arrives at the first station. If the wave is traveling perpendicularly to the line joining the two stations, the delay time will be zero. If the wave arrives at other angles, the delay time will be between 0 ms and 10 ms. The actual delay time then can be used to estimate the angle of arrival, identifying a circle in the sky on which the source of the wave is located. With additional observational data, the location can be narrowed down. If there were a third station, the location can be pin-pointed on the sky. A third LIGO observatory is located near Pisa in Italy and is called LIGO VIRGO. After a revamp, it came online (started observing) in the second half of 2017. It contibuted to the later LIGO discoveries. 14

LIGO SCAMORAMA It is not that LIGO discoveries face skepticism the way all scientific discoveries initially do; it is not that there are differences of opinion on the scientific methods and assumptions; it is not that the data analysis techniques are debatable. All these presumable issues mask a simple truth about LIGO at its very core: The basic concept of the LIGO instrument is a sham. LIGO is nothing more than lights and mirrors in a steel chamber. There should be nothing more to discuss or debate. But since an enormous quantity of scientific and technical garbage has been put out there, pointless debates become a practical necessity. But even as we engage in such debates, we must never lose sight of the fact that LIGO has as much to do with gravitational wave on the sky as a dowsing rod has to do with water underground. The scamorama graphics are encapsulated expositions of the truth about LIGO. 15

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  • Page 3 and 4: CASEBOOK OF BIBHAS DE The Mystery o
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  • Page 7 and 8: PREFACE As I write this, most every
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  • Page 33 and 34: LIGO CONCLUSIONS Succinct conclusio
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  • Page 45 and 46: COMMENT ON THE LIGO DISCOVERY OF NE
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  • Page 53 and 54: COURTROOM DRAMA Now we delve deeper
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    WEISS: Now we are getting into comp

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    LIGO COURTROOM DRAMA: Trial Part 10

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    VERITAS: So, Professor Danzmann, by

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    LIGO COURTROOM DRAMA: Trial Part 11

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    mirrors, along their axes only - wi

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    VERITAS: Professor Adhikari, listen

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    VERITAS: Mr. Adhikari, as I told yo

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    MOSCATO: And based on what you have

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    VERITAS: Then I will say. The answe

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    TRIAL PART 15 ON THE WITNESS STAND:

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    BOTNER: There is no way to demonstr

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    COMPARATIVE FRAUDOLOGY The huge sup

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    THE LIGO COMMENTARIAT Science repor

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    LIGO: Neil deGrasse Tyson’s bizar

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    PRIZES GALORE No sooner was the LIG

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    LIGO CRITICISMS Starting on the sam

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    CLAES JOHNSON Absurdity of Modern P

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    then nothing but a unique piece of

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    WOLFGANG W. ENGELHARDT Open Letter

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    Open Letter to The Nobel Committee

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    Big data analysis of Livingston and

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    Was LIGO’s Gravitational Wave Det

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    AKHILA RAMAN On the Signal Processi

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    Izabela Kowalska-Leszczynska1 et al

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    NOBEL PRIZE AND AFTER To me the new

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    NOBEL PRIZE LESSONS The Nobel Prize

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    TIME TO TALK ABOUT CRIMINAL FRAUD T

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    WHY U.S. SHOULD PROSECUTE LIGO Dece

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LIGO Magazine, Issue 2, 3/2013 - LIGO Scientific Collaboration
Talk (PDF) - Physics Department - Utah State University
Talk (PDF) - Physics Department - Utah State University
Talk (PDF) - Physics Department - Utah State University
LIGO
LIGO
RrpprES rN Spncr-TrME - LIGO - Caltech
Gravitational Wave - Home-Page H.V. Klapdor-Kleingrothaus
IIP News 04
LIGO
International Innovation - Department of Physics - University of Florida
lecture - Ettore Majorana - Infn
Gravitational Waves: a new window to observe the Universe
Talk (PDF) - Physics Department - Utah State University
Gravitational Waves Detection - isapp 2007
The Hunt for Gravitational Waves - Particle Physics and Particle ...
Talk (PDF) - Physics Department - Utah State University
LIGO Magazine, issue 3, 9/2013 - LIGO Scientific Collaboration
The Warped Side of the Universe - Kersten Physics Teaching Center
physics-of-the-impossible-by-michael-kaku1
Navigation, Gravitation and Cosmology with Cold Atom ... - INFN
Physics of the TG-51 dosimetry protocol - Carleton University
February 2013