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[NASA]NSF’s LIGO Has Detected Gravitational Waves

post #1 of 24
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Old Einstien proven right again! Hopefully on day this will help us make flying cars and hoverboards!
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My Little Maiden
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post #2 of 24
Oh no! These gravitational waves are pulling me toward voting for Tr***.... Lol jk

In all seriousness, this is awesome! Not sure we'll see it become useful in my lifetime but it may be 1 step closer to creating a gravitational device on the spaceship so they're not just floating away... Maybe gravitational purpulsion...?
post #3 of 24
Quote:
Originally Posted by Cakewalk_S View Post

Oh no! These gravitational waves are pulling me toward voting for Tr***.... Lol jk

In all seriousness, this is awesome! Not sure we'll see it become useful in my lifetime but it may be 1 step closer to creating a gravitational device on the spaceship so they're not just floating away... Maybe gravitational purpulsion...?

It already has, proving that gravity travels in waves is a big step forward to understanding it's nature. With this scientists can begin to understand how black holes exist, how neutron stars exist and are formed. Does dark matter actually make up one quarter of the mass in the universe? How fast do gravitational waves travel? Do they travel at the speed of light?
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post #4 of 24
In case you want to understand why it's important.
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post #5 of 24
Someone do an ELI5 of why this is important other than Einstein is still getting proven correct all these years later?

- Insan1tyOne biggrin.gif
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post #6 of 24
Quote:
Originally Posted by Insan1tyOne View Post

Someone do an ELI5 of why this is important other than Einstein is still getting proven correct all these years later?

- Insan1tyOne biggrin.gif

Its an additional method to measure and learn about things in our universe. Most everything in space is too far away to study directly so you are limited to looking at light/radiowaves/etc. Now we've got one more thing to look at. Right now it can only study unimaginably huge events but if it gets more and more sensitive over time we can detect smaller and smaller events.
    
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post #7 of 24
My ex must be in town.
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post #8 of 24
Great discovery, but I wonder if this brings us any closer to finding out what the actual force-carrier of gravity is (the elusive graviton?).
Quote:
Originally Posted by GnarlyCharlie View Post

My ex must be in town.
Was thinking a "yo momma" joke would've suited better tongue.gif
post #9 of 24
Quote:
 At each observatory, the two-and-a-half-mile (4-km) long L-shaped LIGO interferometer uses laser light split into two beams that travel back and forth down the arms (four-foot diameter tubes kept under a near-perfect vacuum). The beams are used to monitor the distance between mirrors precisely positioned at the ends of the arms. According to Einstein’s theory, the distance between the mirrors will change by an infinitesimal amount when a gravitational wave passes by the detector. A change in the lengths of the arms smaller than one-ten-thousandth the diameter of a proton (10-19 meter) can be detected.

I had to get to the meat of the science behind it...

 

Lamens terms: The two mirrors got closer or further apart by some tiny infinitesimal amount... And they hail gravity waves detected... :thinking: Well in any case I hope something tangible comes out of this before I die.

post #10 of 24
A, single, gravitational wave is what I read. Which could be an error
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