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(Science Codex)   If things seem weird right now, it's because a gravitational wave that warps space-time, caused by the collision of two black holes, has reached Earth   ( sciencecodex.com) divider line
    More: Interesting, General relativity, gravitational waves, Gravitational wave, Virgo Gravitational-Wave Observatory, LIGO, Astronomy, Black hole, Physics  
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3529 clicks; posted to Geek » on 01 Oct 2017 at 7:13 AM (10 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



Voting Results (Smartest)
View Voting Results: Smartest and Funniest

2017-10-01 12:08:30 PM  
11 votes:

Circusdog320: G waves have been washing over us ... well forever. We apes finally found a way to detect them.


While this article is both old (we had a thread on it a couple of days ago) and not the first detection of gravitational waves, I think it's always worth noting what "detect them" really means

LIGO measures the change in length of two "arms", set 90 degrees from each other.

Each arm is 4 kilometers long

During a gravitational wave detection, they change length

By 1/10000th the diameter of a *proton*.  Across 4km

And we can detect that change, reliably.  It's one of the most astonishing feats humans have ever managed

/Should have gotten the Nobel last year.  If they don't get it this year it will be a huge WTF moment.
2017-10-01 10:54:29 AM  
4 votes:

gaslight: Given how long gravitational waves are, I can't see how you'd notice. No need to secure the china cabinet, everyone.


Still, you might want to keep an eye on your Chesterfield sofa if you have one.
2017-10-01 09:57:07 AM  
4 votes:
G waves have been washing over us ... well forever. We apes finally found a way to detect them.
2017-10-01 09:21:33 AM  
4 votes:
Maybe this will knock us out of the Trump news cycle time loop we are stuck in....
2017-10-01 08:44:43 AM  
3 votes:
Wasn't this posted yesterday and tomorrow?
2017-10-01 06:14:47 AM  
3 votes:
Even scratching your balls creates gravitation waves. It's just harder to detect than blackholes.
2017-10-01 01:35:55 PM  
2 votes:

MaudlinMutantMollusk: WHAT PLANET IS THIS???


Cowboy Bebop OST 4 - What planet is this!
Youtube YA4P1A3jtu0
2017-10-01 04:38:40 PM  
1 vote:

Glockenspiel Hero: Circusdog320: G waves have been washing over us ... well forever. We apes finally found a way to detect them.

While this article is both old (we had a thread on it a couple of days ago) and not the first detection of gravitational waves, I think it's always worth noting what "detect them" really means

LIGO measures the change in length of two "arms", set 90 degrees from each other.

Each arm is 4 kilometers long

During a gravitational wave detection, they change length

By 1/10000th the diameter of a *proton*.  Across 4km

And we can detect that change, reliably.  It's one of the most astonishing feats humans have ever managed

/Should have gotten the Nobel last year.  If they don't get it this year it will be a huge WTF moment.


October 3. Kip Thorne is a near lock. I hosted his colloquium at wayne state a couple of weeks ago. That'll likely be the last talk he gave as a non-laureate... Besides being so unbelievably smart, Kip is also a very very nice guy. Here's the video I made of the talk (LGT YouTube)
2017-10-01 04:17:59 PM  
1 vote:

Flt209er: Glockenspiel Hero: /Should have gotten the Nobel last year.

The detection announcement last year was after the nomination deadline; although only by a week or two. This year, I'd imagine they'll win. My guess is Kip Thorne for half, maybe Barish and Weiss for the other two quarters. We'll find out soon.


Ahh, I thought it had been before.  If they don't get it I'll be astonished.

Medicine needs to go to CRISPR.  I was wondering if they are just waiting on all the lawsuit fallout.
2017-10-01 03:03:02 PM  
1 vote:
 I come to Fark for the ball scratching plus physics jokes.
2017-10-01 01:38:22 PM  
1 vote:

gaslight: Given how long gravitational waves are, I can't see how you'd notice. No need to secure the china cabinet, everyone.


The Perseus cluster black hole's B-flat...is 57 octaves below middle C or one million, billion times lower than the lowest sound audible to the human ear.
https://www.nasa.gov/centers/goddard/universe/black_hole_sound.html
2017-10-01 01:27:29 PM  
1 vote:
So that's why i've been farting so loudly lately.
2017-10-01 10:36:40 AM  
1 vote:
img.fark.netView Full Size
2017-10-01 09:42:07 AM  
1 vote:

Sgygus: Thanks for clearing that up. I was wondering why my balls were clanging.


doglover: Even scratching your balls creates gravitation waves. It's just harder to detect than blackholes.


I don't know about the gutter, but I think Farker's minds are stuck in a slotted wooden chair.
2017-10-01 06:59:47 AM  
1 vote:
it's just a jump to the left.....
 
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