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Re: [OM] Gravitationals waves--yes they do exist and so do, Black holes

Subject: Re: [OM] Gravitationals waves--yes they do exist and so do, Black holes
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Sun, 14 Feb 2016 21:55:08 -0500
Thanks.  Atom interferometry is a new one on me.  I'll have to check it out.

Chuck Norcutt


On 2/14/2016 8:19 PM, Lawrence Plummer wrote:

Chuck,

The strain sensitivity of the Advanced LIGO is currently around 10**-23. The 
basis of all this is atom interferometry. Fascinating times to be around!

https://dcc.ligo.org/LIGO-P1500237/public/main

larry

On 2/14/2016 14:13 PM, Chuck Norcutt wrote:

10**-20 meter, as Dr. Mike noted, is way, way, way smaller than nano.  Nano is 
only 10**-9.  Pico is smaller but still only 10**-12.  I still  can't imagine 
how anyone is measuring that with lasers.  UV light ranges  from 10 to 400 
nanometers.  Much worse, even, than trying to measure the  size of a virus 
using a meter stick.  Anyone got an explanation?
Chuck Norcutt

                                        

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