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CERN


— Physics

CERN sets new high-energy collision record

The Large Hadron Collider (LHC) recently set a new record, as CERN announced that the world's most powerful accelerator had achieved the highest-energy collisions of heavy atomic nuclei. The Geneva-based laboratory says that on Wednesday at 11:15 am CET, the 27 km (17 mi)-long supercollider fired two counter-circulating beams of lead nuclei at one another and the results were recorded by the ALICE heavy-ion detector.

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— Physics

Meson f0(1710) could be so-called “glueball” particle made purely of nuclear force

Terms to describe the strange world of quantum physics have come to be quite common in our lexicon. Who, for instance, hasn't at least heard of a quark, or a gluon or even Schrodinger's cat? Now there's a new name to remember: "Glueball." A long sought-after exotic particle, and recently claimed to have been detected by researchers at TU Wien, the glueball's strangest characteristic is that it is composed entirely of gluons. In other words, it is a particle created from pure force.

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— Medical

CERN develops miniature linear accelerator for medical use

The Large Hadron Collider (LHC) at CERN is where the miraculous meets the impractical. In addition to probing the secrets of the Universe at the subatomic level, it also has potential for a variety of medical applications. Unfortunately, with a circumference of 27 km (16.7 mi) the LHC is so unwieldy that it would be about as practical as using Big Ben for a wristwatch. In the hopes of creating something a bit more useful for the medical fraternity, CERN engineers have come up with a miniature linear accelerator (mini-Linac) that, at 2 m (6.5 ft) long, is small enough to be set up in hospitals for medical imaging and radiotherapy applications.

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— Physics

Large Hadron Collider limbers up after two-year overhaul

Restarting the world's largest particle accelerator after a two-year overhaul isn't just a matter of throwing a switch and making sure the lights go on. It's an eight-week process of baby steps – one's that involve billions of electron volts. But the Large Hadron Collider (LHC) took a major step forward this week as the CERN team fired up two counter-rotating proton beams that were injected into the LHC using the Super Proton Synchrotron, then accelerated to an energy of 450 GeV each.

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— Physics

Large Hadron Collider back on line

As the saying goes, you can't keep a good particle accelerator down. In Switzerland, CERN has announced that the Large Hadron Collider (LHC) is back online after a major overhaul and refit. This power-up of the most powerful particle accelerator in the world marks the culmination of two years of work and months of testing, resulting in a significant boost in performance for the giant collider's "season 2." Read More
— Science

CERN needs your help identifying mysterious photos

CERN is currently digitizing over 50 years worth of its old black and white photographs to make them searchable via the Cern Document Server. However, the subject of many of the photos has been lost in the sands of time and the researchers can’t work out what’s what. If you know your Large Hadron Collider from your Low Energy Antiproton Ring, then be sure to read on and lend a hand ... Read More
— Computers Feature

Happy Birthday: The Web turns 25

On March 12, 1989 Tim Berners-Lee, while working as a contractor at the CERN laboratories in Switzerland, submitted Information Management: A Proposal, which sparked the greatest advance in information technology since Gutenberg invented the printing press. At the time, it was just a way for CERN scientists to share data, but a quarter of a century later, it’s grown from a curiosity into a necessity without which our world can no longer function. Read More
— Architecture Feature

ATLAS: At the crossroads of art and science

The largest single piece of experimental scientific apparatus is currently the Large Hadron Collider bridging the border of France and Switzerland. The control building of the ATLAS detector, one of two general purpose particle detectors built with the LHC, has found itself adorned with a magnificent mural. The story of how the mural came about provides a fascinating glimpse at the crossroads of art and science. Read More
— Science Feature

Dark matter, WIMPS, and NASA's Alpha Magnetic Spectrometer data

Recently the media has been saturated with overly-hyped reports that NASA's Alpha Magnetic Spectrometer (AMS) may have detected dark matter. These claims may have some justification if the word "may" is shouted, but they rest on a number of really major assumptions and guesses, some of which are on weak and shifting soil. So just what was seen in the experiment, and what are the possible explanations? Read More
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