Author Topic: Gravitational waves  (Read 2314 times)

SuppaTime

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Gravitational waves
« on: February 11, 2016, 09:00:35 AM »
Fascinating article on the confirmation of gravity waves. This is probably the last significant finding that has come from Einstein's body of work. Einstein was like the Kai Lenny of physics, a real super star. You have to remember that even though his iconic image is of him as an older man, he did all of his most famous and impactful work in his 20's.

Anyway, if you are a geek for science (I am) I highly recommend this article:
http://www.nytimes.com/2016/02/12/science/ligo-gravitational-waves-black-holes-einstein.html?_r=0
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stoneaxe

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Re: Gravitational waves
« Reply #1 on: February 11, 2016, 09:35:43 AM »
Bob

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Ichabod Spoonbill

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Re: Gravitational waves
« Reply #2 on: February 11, 2016, 09:44:08 AM »
I saw that. Very cool!
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PonoBill

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Re: Gravitational waves
« Reply #3 on: February 11, 2016, 10:28:49 AM »
Excellent NYT article, not so much the PBS one. And I'll spare you the agony of reading the PBS comments. Summary: People are idiots and hold their beliefs to be important.
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bigdom

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Re: Gravitational waves
« Reply #4 on: February 11, 2016, 02:41:58 PM »
bet those gravity waves are for locals only !

PonoBill

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Re: Gravitational waves
« Reply #5 on: February 11, 2016, 10:36:46 PM »
The coolest thing about this story is that the L shaped detector is not measuring the distortion of the detector by the gravity waves, it's measuring how much the WHOLE FRICKING PLANET gets distorted. Plus the gravitational waves that hit us were spawned by the conversion of three solar masses into energy. That's unimaginable. Two massive black holes spinning around each other at half the speed of light finally smash together and expend all that angular momentum into a staggering explosion that can't go anywhere because it's all inside the event horizon except for the gravity waves. BAM three solar masses plus the angular momentum converts into a gravity wave that for .45 seconds is brighter than all the stars in all the galaxies.

Holy shit! Really. Holy shit. Black holes are as real as our sun. As real as me. Insane.
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SUPcheat

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Re: Gravitational waves
« Reply #6 on: February 11, 2016, 11:09:55 PM »
I hope this disturbance in the Force doesn't mean that Darth Vader is back.

I also hope this doesn't make me more wrinkled.
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SuppaTime

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Re: Gravitational waves
« Reply #7 on: February 11, 2016, 11:44:00 PM »
Yes, the numbers are staggering; beyond comprehension for us really. Here is a one way to look at it: the mass converted to energy of the Hiroshima bomb in WW II was less than a gram (700 mg, actually). The mass of the sun is 2 x10**33 grams. That is 1 with 33 zeros after it, grams. The black hole collision released the equivalent of more than 10**33 Hiroshima bombs. Astrophysics has lots of big numbers but that number is really really big even for astrophysics.
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UKRiverSurfers

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Re: Gravitational waves
« Reply #8 on: February 12, 2016, 12:10:15 AM »
The coolest thing about this story is that the L shaped detector is not measuring the distortion of the detector by the gravity waves, it's measuring how much the WHOLE FRICKING PLANET gets distorted. Plus the gravitational waves that hit us were spawned by the conversion of three solar masses into energy. That's unimaginable. Two massive black holes spinning around each other at half the speed of light finally smash together and expend all that angular momentum into a staggering explosion that can't go anywhere because it's all inside the event horizon except for the gravity waves. BAM three solar masses plus the angular momentum converts into a gravity wave that for .45 seconds is brighter than all the stars in all the galaxies.

Holy shit! Really. Holy shit. Black holes are as real as our sun. As real as me. Insane.

I kind of new Black Holes Existed in my very early astronomy days - when I was 9 years old :)

To me its always been obvious..

Its right in front of our faces every moment of every day.

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PonoBill

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Re: Gravitational waves
« Reply #9 on: February 12, 2016, 07:06:41 AM »
Certainly I've always understood the theory and believed it to be true, but this feels different.
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yugi

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Re: Gravitational waves
« Reply #10 on: February 12, 2016, 07:36:04 AM »
...
Holy shit! Really. Holy shit. Black holes are as real as our sun. As real as me.
...

You're real!?

 


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