Horizons had been our favorite restaurants and we were sorely disappointed to learn of its closure in 2011 so we had high expectations for Vedge. I'm pleased to say that both my wife and I were very impressed with everything about our experience at Vedge.
We found the ambiance to be suitable for both romantic dinners and small group gatherings. The volume of the full restaurant was a bit louder than I expected but it didn't take away from the experience; it was a very jovial environment. As expected, our service was fantastic. Though not a black-tie venue there was no lack of professionalism on our waiter's part.
Regarding the food, we were both thoroughly impressed with everything we ordered. I found the tapas sizing perfect for the experience as it allowed us to try a wide variety of dishes. We split the small bite sampler, four plates, and two items from their "dirt list". It was a lot of food but we weren't unpleasantly full afterward.
Overall it was an extremely satisfying experience and I recommend it to anyone regardless of dietary restriction. We can't wait to go back.
by , ; Germany
Today, almost fifty years after Peter Higgs theorized there should be another particle, European research center presented an update on the Higgs Boson particle. Here is what CERN Director General Rolf Heuer announced today:
“We have reached a milestone in our understanding of nature. The discovery of a particle consistent with the Higgs Boson pens the way to more detailed studies, requiring larger statistics, which will pin down the new particle’s properties, and is likely to shed light on other mysteries of our universe.”
Eureka, we have it!
The physicists at CERN have discovered a Higgs Boson. They are not sure which one, and will need additional tests to determine the nature of the this newly discovered boson, and which flavor it has – but they have made a milestone discovery.
Why is it called the God Particle?
The Higgs particle is responsible for explaining why we have mass, according to the latest theory of how the world works. Ever wonder why a proton is so heavy and and a photon so light? What makes a top quark heavier than any other subatomic particle – despite having no size? At these nanoscopic scales, density has nothing to do with mass. Instead, mass has to do with how much a particular particle interacts with the fields around it.
Consider how electricity is made: turning a copper coil through a magnetic field induces a flow of electrons that we call current to produce electricity. Likewise, matter moving through a Higgs field induces a flow of Higgs Bosons to produce mass. Just as the electron is the particle of transmission for electricity, the Higgs Boson is the particle of transmission for mass. Finding the Higgs Boson experimentally confirms the theory of the Higgs field, proving that it is a correct explanation of why matter exists – a very creationist concept. For that reason, the Higgs Boson has been dubbed the God particle.
How does one find the Higgs Boson?
Finding the Higgs Boson is no trivial task. Unlike electrons, the Higgs Boson has no size: pointing an incredibly strong microscope at an object in hopes of seeing it is futile. It is also extremely short-lived: it typically decays before reaching a detector. Thus the only chance we have is to look for the signature generated by its decay (experimentally found at 125.5 GeV). The trouble is, colliding two particles at immense speeds produces an array of other subatomic particles that have a longer lifespan, making it impossible to isolate the Higgs Boson. So we’re left with analysing the energy signatures from a large, mixed pond of subatomic soup decaying simultaneously.
It’s a bit like looking for a particular spectral signature in the spectrum of light emitted from a distant star to show that the star burns Hydrogen and not Oxygen, when the star is constantly changing its fuel to create constant spectral signature changes. So we have to make a recording of the detected energy levels released by a high-speed subatomic particle collision, and then sift through that ‘video’ frame by frame searching using multiple statistical analysis techniques for the Higgs Boson decay signature – and once we find that, make sure it isn’t the result of ‘dust on the camera lens,’ or experimental uncertainties, or some other particle decay. Of course, the other particles decay in a predictable fashion, so we can rule out that signature being caused by another particle by analysing the recording using multivariate analysis and Monte Carlo analysis to independently correlate results in mass distribution observations.
CMS: “We have observed a new boson with a mass of 125.3 +/- 0.6 GeV at 4.9 sigma significance.”
CMS experimentation has observed state decay of a Higgs Boson to di-photon and four-lepton final state with a statistical significance of 5 sigma. The CMS team preliminary presented three channels on which they searched for evidence correlating to a Higgs Boson.The significance ranged from 3.2 sigma to 5.1 sigma. The most significant results, on the ZZ and gamma-gamma channels, have a combined significance of 5.2 sigma at 125 GeV. The more sensitive multivariate analysis is not yet available.
ATLAS: “We observe an excess of events at 126.5 GeV with local significance of 5.0 sigma.”
ATLAS experimentation on the same decays produced similar results to the CMS experiments. ATLAS discovered a 126.5 GeV mass resolution detected with 4.5 sigma significance on the decay to the di-photon final state, with a significance twice as large as expected. They found a stronger presence of the decay to the four-lepton final state by detecting four muons, four electrons, and 2e to 2mu events with a statistical significance of 5.0 sigma, again an extraordinary increase in detection sensitivity.
Why can’t scientists say they discovered it last year, instead of just ‘maybe?’
The trouble with announcing a discovery is that you have to be absolutely certain about what you are announcing. Last year’s ‘maybe’ announcement did not have a significantly strong signal to rule out the possibility that the signal was just noise. So this year, they have repeated the experiment with more power (8 TeV instead of 7 TeV from last year), which should give a 15% stronger signal on the di-photon channels, which is where the Higgs Boson signature is most prominently visible. The new data should see a 50% sensitivity increase on the di-photon channel. In order to announce a discovery, they need to obtain at least 5 sigma statistical confidence across all measurements. The combined data achieves this as their statistical confidence – last year’s announcement had a confidence of 3 sigma.
After analysing and reanalysing the recordings of particle collisions, the long-awaited results are in, and confirmed: the Higgs Boson decay has been sighted. Now we can all rest in peace knowing how matter has mass – and just as the discovery of the electron revolutionized the world, the discovery of the Higgs Boson is another milestone discovery that will revolutionize the world for the years to come, once we figure out just what we can do with this new particle.
That leaves us with the big question: who out of the thousands of researchers will get the inevitable Noble prize? One of the teams leaders? Fabiola Giannotti would be a great candidate as one of the few women in a male dominated world – or should it go Higgs himself who predicted the particle almost fifty years ago. His paper by the way was rejected: the editors of Physics Letters judged it “of no obvious relevance to physics” :)
Still puzzled? Don’t worry, even undergraduates have difficulty grasping the concept. Try the attached video to understand how crucial the Higgs particle and the Higgs field are for more modern physics.
Tags: #ScienceEveryday #Science
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We’re still in early development days, but at Google I/O this morning we wanted to do a product demo in a way we’d never tried before. We worked with some of the world’s top athletes, combined skydiving and mountain biking, and shared the experience -- through their eyes -- with the world.
If you missed it, we’d love you to be able to see how we put this together, so tune in live tomorrow (weather permitting!) at roughly 11am at https://developers.google.com/events/io/ to check it out.
And you may just catch another Hangout in Air.
#projectglass #io12 #skydiving
NASA's shows a rare view of a pair of overlapping galaxies, called NGC 3314. The two galaxies look as if they are colliding, but they are actually separated by tens of millions of light-years, or about ten times the distance between our and the neighboring . The chance alignment of the two galaxies, as seen from Earth, gives a unique look at the silhouetted spiral arms in the closer face-on spiral, NGC 3314A.
The motion of the two galaxies indicates that they are both relatively undisturbed and that they are moving in markedly different directions. This indicates they are not on any collision course. NGC 3314A's warped shape is likely due to an encounter with another nearby galaxy, perhaps the large spiral galaxy NGC 3312 (located outside the Hubble image).
Because of the alignment, NGC 3314B's dust lanes appear lighter than those of NGC 3314A. This is not because that galaxy lacks dust, but rather because its dust lanes are lightened by the bright fog of stars in the foreground. NGC 3314A's dust, in contrast, is backlit by the stars of NGC 3314B, silhouetting them against the bright background.
The color composite was produced from exposures taken in blue and red light with Hubble's Advanced Camera for Surveys. The pair of galaxies lie roughly 140 million light-years from Earth, in the direction of the southern hemisphere constellation Hydra.
Image Credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA)-ESA/Hubble Collaboration, and W. Keel (University of Alabama)
Explanation of the image from: http://hubblesite.org/newscenter/archive/releases/2012/29/image/a/
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