News Scientists Find Evidence Helping To Prove Einstein's Theory Of Relativity

Discussion in 'The Howard Stern Show' started by BethSucks, Feb 11, 2016.

  1. BethSucks

    BethSucks Well-Known Member Staff Member

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    Scientists find evidence of gravitational waves predicted by Einstein
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    File image - An image from a simulation showing how matter might be moved around in the extreme environment around a black hole. (Özel/Chan)

    After decades of searching, scientists announced Thursday that they have detected gravitational waves - essentially ripples in the fabric of space-time - that had been predicted by Einstein.


    An international team of astrophysicist said that they detected the waves from the distant crash of two black holes, using a $1.1 billion instrument. The Ligo Collaboration was behind the discovery and it has been accepted for publication in the journal Physical Review Letters.


    "We have detected gravitational waves," Caltech’s David H. Reitze, executive director of the LIGO Laboratory, told journalists at a news conference in Washington DC.

    The news, according to the Associated Press, is being compared by at least one theorist to Galileo taking up a telescope and looking at the planets and the biggest discovery since the discovery of the Higgs particle. It has stunned the world of physics and astronomy, prompting scientists to say it the beginning of a new era in physics that could lead to scores more astrophysical discoveries and the exploration of the warped side of the universe.

    “Our observation of gravitational waves accomplishes an ambitious goal set out over five decades ago to directly detect this elusive phenomenon and better understand the universe, and, fittingly, fulfills Einstein’s legacy on the 100th anniversary of his general theory of relativity,” Reitze said in a statement.


    The discovery confirms a major prediction of Albert Einstein’s 1915 general theory of relativity. Gravitation waves carry information about their dramatic origins and about the nature of gravity that cannot be obtained from elsewhere.

    Not only have they fascinated by scientist by found their way into pop culture - namely through movies such as "Back To The Future," where the space-time continuum was used a medium for the DeLorean time machine to go back in time. It also featured in the "Terminator" series.


    Their existence was first demonstrated in the 1970s and 1980s by Joseph Taylor, Jr., and colleagues. In 1974, Taylor and Russell Hulse discovered a binary system composed of a pulsar in orbit around a neutron star. Taylor and Joel M. Weisberg in 1982 found that the orbit of the pulsar was slowly shrinking over time because of the release of energy in the form of gravitational waves. For discovering the pulsar and showing that it would make possible this particular gravitational wave measurement, Hulse and Taylor were awarded the 1993 Nobel Prize in Physics.


    In the latest breakthrough, the gravitational waves were detected on Sept. 14, 2015 by both of the twin Laser Interferometer Gravitational-wave Observatory (LIGO) detectors, located in Livingston, Louisiana, and Hanford, Washington.

    Based on the observed signals, LIGO scientists estimate that the black holes for this event were about 29 and 36 times the mass of the sun, and the event took place 1.3 billion years ago. About three times the mass of the Sun was converted into gravitational waves in a fraction of a second -- with a peak power output about 50 times that of the whole visible universe.

    By looking at the time of arrival of the signals -- the detector in Livingston recorded the event 7 milliseconds before the detector in Hanford -- scientists can say that the source was located in the Southern Hemisphere.


    According to general relativity, a pair of black holes orbiting around each other lose energy through the emission of gravitational waves, causing them to gradually approach each other over billions of years, and then much more quickly in the final minutes. In a final fraction of a second, the two black holes collide and form one massive black hole. A portion of their combined mass is converted to energy, according to Einstein’s formula E=mc2, and this energy is emitted as a final strong burst of gravitational waves.

    These are the gravitational waves that LIGO observed.

    “With this discovery, we humans are embarking on a marvelous new quest: the quest to explore the warped side of the universe -- objects and phenomena that are made from warped spacetime. Colliding black holes and gravitational waves are our first beautiful examples,” Caltech's Kip Thorne said.
     
  2. Mark Mayonnaise

    Mark Mayonnaise You look like a tree! VIP

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    Black people love fried chicken
     
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  3. Divorce Chicken

    Divorce Chicken white punk on dope VIP

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  4. Mr Cachexic

    Mr Cachexic Well-Known Member Banned User

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    pretty cool

    so basically time moves drastically different sometimes? also if there are ripples that occur naturally, one could maybe manipulate how the ripples ripple up and possibly be able to time travel?

    or something?
     
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  5. Brokenbad

    Brokenbad Well-Known Member

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    black hos love ripple
     
  6. Tipsey Russell

    Tipsey Russell VIP Extreme Gold

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    i'm too stupid to understand this but it sounds cool
     
  7. FSFN

    FSFN Well-Known Member

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    [​IMG]
     
  8. thegroovologist

    thegroovologist Well-Known Member

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  9. señor pedro

    señor pedro El Chocha Master Bee Ay Pii Gold

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    Este es un buen articulo sobre LIGO el lugar que detecto las olas gravitacionales.

    http://arstechnica.com/science/2016...-are-finally-closing-in-on-einsteins-ripples/


    "Down the hallway we came to the main room of the observatory. This is where a powerful laser produces the beam, it is then split, and the beam is finally sent down the two long beam tubes. The sensitive optical equipment is set atop a 1m slab of reinforced concrete. When the active and passive damping systems are combined, they act like noise canceling headphones but in dozens of different degrees of freedom."

    The beam is split inside this tank.

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    This is the beginning of LIGO's beam tube.

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    The beam tube begins its 4km journey.
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    The beam tube exiting the building is made out of low-hydrogen steel so that hydrogen atoms don't leak and confound the signal.


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    After coming out of the main building this interferometer arm runs nearly due west for 4 km.
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    “I think Ars Technica is probably the only publication I would show this room to,” he said as we entered. The room contained all manner of equipment and instrumentation. “Almost everything in here, you don’t see anybody’s brand name on it. This is all made by us or to our specs, which is unfortunate. It took an enormous amount of work.”
    Designing and building a detector with extreme sensitivity was just part of the challenge for LIGO scientists. The other half was mitigating outside interferences. These might come from trucks rumbling down nearby roads, waves hitting the Louisiana coast dozens of miles away, or even seismic activity from more than 1,000 miles away.

    If the physicists had just built their optics and beam tubes into the ground, interfering signals from people walking above, winds, storms, and all manner of other factors would have been about 10 million times too noisy for the optical system, Giaime said.

    The room Giaime had walked me into contained the hardware guts of the observatory’s active damping system. The lab’s seismic isolation sensors detect environmental vibrations around the observatory at all different frequencies, and then the computer systems in this room drive servos that act to dampen those vibrations."


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    "One reason the Louisiana and Washington sites are located so far apart is that if both sites observe the same gravitational wave signal, at the same time, physicists can have some confidence they simply haven’t measured some other, more localized environmental vibration."


    Long before you get to the observatory, drivers are asked to slow down to 10 mph to reduce vibrations.
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    Vista satelital de LIGO en Louisiana con Google Maps :)

    https://www.google.com/maps/place/LIGO Livingston/@30.5454918,-90.782179,6224m/data=!3m1!1e3!4m2!3m1!1s0x8626e835b7d97141:0x7f7b0db13ffa9864!6m1!1e1


    Vista satelital de LIGO en Washington con Google Maps. :)

    https://www.google.com/maps/place/LIGO Hanford Observatory/@46.4542542,-119.4310352,7251m/data=!3m1!1e3!4m2!3m1!1s0x54985dc1a03257c3:0x70ac2e7c3e7fc470!6m1!1e1


    LIGO WA.

    [​IMG]

     
    Last edited: Feb 11, 2016
  10. cygnus2112

    cygnus2112 In The Prep Room

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    black hole...

    What does Ted Danson love most about da Woopi?

    this here is Mama Danson
    [​IMG]
     
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  11. Skipnoid

    Skipnoid Lick Me!

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    upload_2016-2-11_11-11-58.png
     
  12. Skipnoid

    Skipnoid Lick Me!

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    :lol1::bhump:
     
  13. zerokarma

    zerokarma Well-Known Member

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    So can we time travel yet?
     
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  14. Mr Cachexic

    Mr Cachexic Well-Known Member Banned User

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  15. señor pedro

    señor pedro El Chocha Master Bee Ay Pii Gold

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    Brian Greene nos explica todo, con en este video. :)


     
  16. Shortwave98

    Shortwave98 A-Number 1 Banned User

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    You racist mother fucker!
     
  17. itsawig

    itsawig Well-Known Member

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    Fred Sanford witnessed champagne collide with ripple, proving the champipple paradox and
    E=MC hammer.
     
  18. Mike Huntslooce

    Mike Huntslooce Maker of Champions Gold

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  19. bobblebooey

    bobblebooey Well-Known Member VIP

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  20. Sloppyjoe

    Sloppyjoe VIP Extreme Gold

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    Look at anything. You're looking backwards in time. Look at the moon, you're actually looking at the moon about 1.5 sec ago. The sun about 8min.
     
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