[time-nuts] LIGO detects gravitational waves

[Bob Camp]

Hi

At least my simple take on it:

As they get closer, the rotation speeds up. It is no different than the ice skater 
pulling in their arms. 

Once they get close enough, there are no longer two black holes. They have become a 
single black hole. They now radiate a “dc signal” that the detector can’t deal with.

Bob

> On Feb 13, 2016, at 6:34 PM, Bill Hawkins <bill.iaxs at pobox.com> wrote:
> 
> IMHO, the decay seems backwards because we are watching the growth of
> the event as the black holes approach each other, reaching a maximum at
> collision.
> 
> Don't know why the signal drops off after the collision. May be because
> gravity stops changing, or maybe because the resulting object left the
> universe - well, not if mass and energy are conserved. Or did the wave
> contain all of the radiated energy?
> 
> Disclaimer: My field of study was not physics.
> 
> Bill Hawkins 
> 
> -----Original Message-----
> From: Bob Stewart
> Sent: Saturday, February 13, 2016 2:35 PM
> 
> Hi Tom,
> 
> Thanks for posting this.  I'm looking at the timelab plot, and the only
> thing I can relate that to is a musical note played backward.  IOW, the
> decay seems backwards to me.
> 
> Bob - AE6RV
> 
> 
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