[ExI] Advanced LIGO

[William Flynn Wallace]

Thanks Spike and John

bill w

On Mon, Feb 18, 2019 at 10:50 AM <spike at rainier66.com> wrote:

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> >…the holes were spinning even before they merged.
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> LIGO to spot one black-hole merger per hour
> <https://www.nature.com/articles/d41586-019-00573-4??utm_medium=NLC&utm_source=NSNS&utm_campaign=2019-0218-GLOBAL-NSDAY&utm_content=NSDAY>
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> John K Clark
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> If I had read the first line of the Nature article 5 years ago, I would
> have concluded that the editorial staff of Nature had gone completely
> bonkers:
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> Spotting gravitational waves is due to become an almost hourly event in
> the next decade. Starting around 2023, the Laser Interferometer
> Gravitational-Wave Observatory (LIGO) will undergo its most significant
> upgrade since 2015, UK and US funding agencies announced on 14 February.
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> LIGO has astonished me so many times since 2016, I will no longer
> second-guess the experiment.
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> Just writing the comment above, I remember well the date: 24 May 2016, up
> at Stanford’s linear accelerator.  The astronomy geek crowd had been
> buzzing for some time, but the LIGO people were going to present their
> data.  That meeting is burned into my memory: they moved it to the main
> auditorium because the crowd had swelled.  My friend and I got there early
> enough to get a seat in the Panofsky, which has about 400 seats, but plenty
> of people were milling around outside the packed building or listening in
> on CCTV in another auditorium nearby.
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> That was the coolest scientific meeting I have ever attended.  I can only
> imagine what that would feel like to be able to present that, what it would
> feel like to be Brian Lantz.  He gave a lecture on the data they collected,
> went thru the evidence from the two detectors, then explained that if you
> convert the gravity wave to a sound wave, it would sound like this: bwiip.
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> What would it be like to stand up there and look at a sea of stunned faces
> of people like us?
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> spike
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