The first direct detections
of gravitational waves in late 2015 were made possible by a dedicated forty year quest to design, build, and operate LIGO, the Laser Interferometer Gravitational - wave Observatory.
The first direct detections
of gravitational waves in late 2015 were made possible by a dedicated forty year quest to design, build, and operate LIGO, the Laser... Read more»
She has been working on the Laser Interferometer Gravitational - wave Observatory (LIGO) since 1991, and was a member of the team that announced LIGO's first detection
of gravitational waves in 2016.
Officially known as the Laser Interferometer Gravitational - Wave Observatory, LIGO previously announced the detection
of gravitational waves in February 2016 and June 2016 (although those events were actually recorded in September 2015 and December 2015, respectively).
► Finally, in this week's Science editorial, Michael S. Turner makes a plea for curiosity - based science, pointing to scientific connections between two recent momentous discoveries, the Background Imaging of Cosmic Extragalactic Polarization (BICEP2) detection of evidence
of gravitational waves in the cosmic microwave background (still subject to confirmation) and the detection of the Higgs boson.
If, like photons, these particles have no mass, then gravitational waves would travel at the speed of light, matching the prediction of the speed
of gravitational waves in classical general relativity.
And in the case of only such black holes of many solar masses making up dark matter, it existed before the Advanced Laser Interferometer Gravitational - Wave Observatory (LIGO) announced its discovery
of gravitational waves in 2016 — see a recent preprint paper by one of us (Frampton) at https://arxiv.org/abs/1510.00400.
Many physicists are hopeful that LIGO will make the first direct observation
of gravitational waves in the next few years.
The three - way detection enabled researchers to home in on the location of the black holes on the sky with 10 times greater precision than before, and to probe the polarization
of gravitational waves in new ways.
When the Laser Interferometer Gravitational - Wave Observatory (LIGO) made the first detection
of gravitational waves in 2015, for instance, scientists were able to trace them back to two colliding black holes weighing 36 and 29 solar masses, the lightweight cousins of the supermassive black holes that power quasars.
This year's Physics Nobel Prize goes to Rainer Weiss, Kip Thorne, and Barry Barish for their efforts that helped lead to the first measurement
of gravitational waves in 2015 by the LIGO team.
Not exact matches
Physicists could look for evidence
of other universes using tools designed to measure ripples
in spacetime — also known as primordial
gravitational waves — that would have been generated by the universe's initial expansion from the Big Bang.
This discovery came just three months after LIGO first detected
gravitational waves on September 4, 2015 — one
of the most monumental discoveries ever made
in physics.
It also released enough energy to rival the mass
of the Sun
in the form
of gravitational waves.
One hundred years ago, Albert Einstein predicted the existence
of ripples
in the fabric
of space called
gravitational waves.
Because LIGO was able to detect two
of these
gravitational wave events within its first few months
of running, scientists are confident that these sorts
of black hole collisions are actually pretty common
in our neighborhood.
For those who need the introductions, Melroy is a retired Air Force officer and former NASA astronaut who piloted the space shuttle Discover, Drell is one
of the foremost leaders
in the field
of particle physics, and Malvala is an astrophysicist and member
of the team that first detected
gravitational waves from colliding black holes.
Nvidia, a hardware firm whose graphic processing units (GPUs) have seen booming sales as a result
of the rise
of deep learning, lists uses on its website that range from Adobe's DeepFont, which identifies the fonts used
in an image, to the National Center for Supercomputing Applications, which detects
gravitational waves millions
of miles away
in real time.
Two
of the most vaunted physics results
of the past few years — the announced discovery
of both cosmic inflation and
gravitational waves at the BICEP2 experiment
in Antarctica, and the supposed discovery
of superluminal neutrinos at the Swiss - Italian border — have now been retracted, with far less fanfare than when they were first published.
This is the first time
in history they detect what they believe are the theorized
Gravitational Waves that are proof
of faster than the speed
of light expansion
of the universe.
This is the first time
in history they detect what they believe are the theorized
Gravitational Waves that are proof
of expansion
of the universe.
In other words, with this discovery of Gravitational Waves for the first time in history, which Albert Einstein theorized about back in 1916, it is a clear indication that the universe had a beginning and expanded at a rate faster than the speed of light, right at that beginning, hence Creation Ex Nihil
In other words, with this discovery
of Gravitational Waves for the first time
in history, which Albert Einstein theorized about back in 1916, it is a clear indication that the universe had a beginning and expanded at a rate faster than the speed of light, right at that beginning, hence Creation Ex Nihil
in history, which Albert Einstein theorized about back
in 1916, it is a clear indication that the universe had a beginning and expanded at a rate faster than the speed of light, right at that beginning, hence Creation Ex Nihil
in 1916, it is a clear indication that the universe had a beginning and expanded at a rate faster than the speed
of light, right at that beginning, hence Creation Ex Nihilo.
It also confirms more than any other evidence that the universe had a beginning and expanded at a rate faster than the speed
of light within less than a trillion
of a trillion
of a trillion
of a second — less than 10 ^ -35
of a second —
of the Big Bang by detecting the miniscule «light polarizations» called B - Modes caused by the
Gravitational Waves — which were theorized
in 1916 by Albert Einstein
in his Theory
of General Relativity but never detected before —
of the Inflation
of the Big Bang which are embedded
in the Cosmic Microwave Background Radiation — CMB or CMBR that was discovered by American scientists back
in 1964.
With this discovery
of Gravitational Waves for the first time
in history, which Albert Einstein theorized about back
in 1916, it is a clear indication that the universe had a beginning and expanded at a rate faster than the speed
of light, right at that beginning, hence Creation Ex Nihilo.
The significance
of this discovery — existence
of Gravitational Waves —
in relation to God is that it confirms amongst other evidence that the universe had a «beginning» AND that the universe «expanded at a rate faster than the speed
of light, right at the Big Bang.»
This very sophisticated approach
of detecting «light polarizations — B - Modes» caused by the
Gravitational Waves of the Big Bang was invented
in the USA that led to detecting those
Gravitational Waves for the first time
in history, which also has great implications for the Christian belief.
† I indicated August before, that would be the very earliest possible, it could take up to one to two years to match the results
of several instruments set out to detect the
Gravitational Waves with BICEP2, BICEP — Background Imaging
of Cosmic Extragalactic Polarization, the one stationed
in the South Pole that made this discovery.
BICEP, which is the instrument that detected the
Gravitational Waves and is stationed
in Antarctica, is one
of several instruments at different locations set out to detect the
Gravitational Waves.
Truth can not contradict truth, so when I read about the recent discovery
of gravitational waves I was both excited, as a physics teacher, and delighted as a Catholic, seeing
in this another sign
of God's creative power and wisdom manifested
in the universe.
Gravitational waves result from «inflation»
of the early universe, an exponential expansion
of space
in the first fraction
of a second
of the Big Bang, 14 billion years ago.
Steinhardt points out that inflationary theory
in cosmology is supposed to be highly predictive, yet
in this set
of observations the realisation that
gravitational waves have not actually been detected seems not to have caused any doubt about the theory.
By studying
gravitational waves, they can now explore extreme conditions
in which the energy
in an object's
gravitational field accounts for most or all
of its mass — the realm
of strong gravity so far explored by theorists alone.
In certain places, we find that the gravitational handiwork of some distant orbiting moon has disturbed the orbits of ring particles, creating sharp edges or wave disturbances that propagate out in a spiral patter
In certain places, we find that the
gravitational handiwork
of some distant orbiting moon has disturbed the orbits
of ring particles, creating sharp edges or
wave disturbances that propagate out
in a spiral patter
in a spiral pattern.
The first direct detection
of gravitational waves will open a new window on black holes and introduce a new era
in astronomy.
The first - ever direct detection
of gravitational waves, our top story
in 2016, launched a long - dreamed -
of kind
of astronomy capable
of «unlocking otherwise unknowable secrets
of the cosmos,» as physics writer Emily Conover puts it.
Gravitational waves also topped Science News» list
of discoveries
in 2016.
The latest LIGO signal proves that
gravitational waves travel at the speed
of light, ruling out a swath
of cosmological theories
in the process.
The source
of a mysterious glitch
in data from a
gravitational wave detector has been unmasked: rap - tap - tapping ravens with a thirst for shaved ice.
Origin
of the heavy elements
in binary neutron star mergers from a
gravitational wave event.
Astronomers captured the merging
of neutron stars
in various types
of light, including ultraviolet, infrared and radio
waves (above), as well as via
gravitational waves — a first.
But, a seemingly distinct topic helped lay some
of the groundwork:
gravitational waves, or ripples
in the fabric
of spacetime.
Heavy logging activity less than a half - mile from LIGO's main entrance creates vibration that engineers must nullify
in order to detect the slight presence
of far weaker
gravitational waves.
The publication follows months
of debate as to whether or not the researchers were justified
in claiming a detection
of gravitational waves (SN:...
The occasional merger
of neutron stars literally shakes the universe by sending out
gravitational waves (illustrated above), but these events may also be the main source
of gold and other heavy elements
in the Milky Way, a new study suggests.
The hope is that a telescope could pick up light from the aftermath
of the cosmic catastrophe that created the
gravitational waves — although no light has been found
in previous detections.
Libbrecht still does his fair share
of work on massive - scale science: He also works on the LIGO project,
in which a few hundred scientists are studying
gravitational -
wave signals from supernovae and black holes.
[1] The ripples
in spacetime known as
gravitational waves are created by moving masses, but only the most intense
waves, created by rapid speed changes
of very massive objects, can be detected by the current generation
of detectors.
With the Aug. 14 detection
of spacetime ripples, scientists were able to home
in on the location
of gravitational wave flinging black holes more precisely than ever before, illustrated
in lime green on a map
of the sky.
For a fourth time, physicists have spotted
gravitational waves — ripples
in space itself — set off by the merger
of two massive black holes.
In many versions
of the theory, the amplitude
of the
gravitational waves is miserably small, so they would not be detectable.