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Tag archives: CERN

Last views of a huge particle detector before the Large Hadron Collider comes to life

Photograph of the author at the CMS detector at CERN

My photo opportunity: this could be the last we will see of the CMS for three years.

By Tushna Commissariat at CERN

Regular readers of Physics World will know that I am currently visiting the CERN particle physics lab in Geneva, ahead of the restart of the Large Hadron Collider (LHC) in the coming weeks. My first stop yesterday afternoon was a press conference in which CERN’s director-general Rolf Heuer and other leading physicists briefed us about “Run 2” and what researchers are hoping to discover. You can read about what they had to say here: “Large Hadron Collider fires up in a bid to overturn the Standard Model“.

I managed to squeeze in a quick last-minute visit to the Compact Muon Solenoid (CMS) detector before it is sealed up tight for the next three years. My host was CMS communications officer Achintya Rao, who took me and a few others deep underground into the bowels of the CMS – and what a sight it was!

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Pioneering women of physics, why you should become a particle physicist and a BICEP2 scientist on all that dust

Photograph of particle physicist at CERN

Smiley happy people: who would not want to be a particle physicist? (Courtesy: ATLAS)

By Hamish Johnston

Over on the Quantum Diaries blog, Aidan Randle-Conde has put together a lovely photo-essay called “30 reasons why you shouldn’t be a particle physicist”. It is reverse psychology, of course, and the 30 images highlight the benefits of devoting your life to studying sub-atomic particles. As someone who chose to do condensed-matter physics, do I now think that I made a huge mistake? No, but I have shared the thrill and excitement of being at CERN when the Higg’s was discovered and seen the Large Hadron Collider and its detectors up close, so I know where he is coming from.

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The LEGO Large Hadron Collider

LEGO Large Hadron Collider

LEGO Large Hadron Collider.

By Michael Banks

Avid readers of this blog may remember the 560-piece LEGO model of CERN’s ATLAS detector at the Large Hadron Collider (LHC), which was built by particle physicist Sascha Mehlhase of the Niels Bohr Institute in Copenhagen.

Not to be outdone, LEGO fan Jason Allemann then created a LEGO-inspired particle accelerator – dubbed the LEGO Brick Collider – that was submitted to the LEGO Ideas site, which lets fans share blueprints of their own models.

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Build your own LEGO particle collider

 

By Michael Banks

You may remember last year when particle physicist Sascha Mehlhase of the Niels Bohr Institute in Copenhagen unveiled a 560-piece LEGO model of CERN’s ATLAS detector at the Large Hadron Collider.

Well, not to be outdone, LEGO fan Jason Allemann has now created a LEGO-inspired particle accelerator. Dubbed the LEGO Brick Collider (LBC), the design has been submitted to LEGO’s CUUSOO site, which lets fans share blueprints of their own models.

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Become a CERN physicist in your bedroom

By James Dacey

Image of particle collision within the ATLAS detector

Particle collision within the ATLAS detector. (Courtesy: CERN/Higgs Hunters)

Who discovered the Higgs boson? Was it Peter Higgs and a combination of other great minds? The experimentalists at CERN who analysed reams of data? The magnificent machinery of the Large Hadron Collider (LHC) itself? By the time that the next great breakthrough in particle physics comes along, the debate about who makes the discovery could become even more complex. That’s because a new citizen-science project is encouraging anyone with an Internet connection to search for new curiosities in the Higgs data.

Higgs Hunters” launched this week and invites the public to sift through collision images from the LHC’s ATLAS detector. The task at hand is to look for the paths of charged particles that seem to appear out of thin air in what are known as off-centre vertices. As explained on the Higgs Hunters website, “some scientists think the Higgs could break apart into exotic particles entirely new to science”. On the Higgs Hunters website, citizen scientists help to count the number of particle tracks and can notify the science team if they spot anything out of the ordinary.

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Cthulhu cosmology, Halloween outfits with a physics twist and more

 

By Tushna Commissariat

It’s not often that classical physics and Post-Impressionist painters collide, but when they do the results can be enchanting and intriguing. In one of the latest TEDEd videos, Natalya St Clair has created a short lesson that looks at “The unexpected math behind Van Gogh’s Starry Night.” The video above looks at the enduring mystery that is the turbulence we see in any kind of flows in the natural world and how the human brain can recognize and actually make some kind of sense of the chaotic random patterns turbulence describes.

As pointed out in the video, famous physicists such as Richard Feynman and Werner Heisenberg have noted the complexity of turbulence, with Feynman describing it as “the most important unsolved problem of classical physics” and Heisenberg saying that “when I meet God, I am going to ask him two questions: why relativity? And why turbulence? I really believe he will have an answer for the first”. But is it possible that the undoubted genius and troubled painter that was Van Gogh perceived something more about turbulence in nature and is this most clearly represented in his most famous masterpiece – the evocative painting known as Starry Night? Watch the video to find out.

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Strange goings on at CERN, string theory with cats, Isaac Asimov on generating new ideas and more

Bygone era: when 3D visualization really was 3D (Courtesy: CERN)

Bygone era: when 3D visualization really was 3D. (Courtesy: CERN)

By Hamish Johnston

“The past is a foreign country: they do things differently there,” is probably the only famous sentence written by the English novelist L P Hartley. It also sums up nicely a collection of photographs of CERN in the 1960s and early 1970s showing among other things a jolly worker wearing a beret, scientists wearing white lab coats and ties, and a strange religious-like procession. There are also lots of photos of vintage kit, including one of those huge vacuum-valve-powered oscilloscopes (probably from Tektronix) that would be familiar to physicists of a certain age. My favourite photo is shown above. It was taken in 1965, when 3D data visualization was actually done in 3D! I believe that the collection was put together by CERN’s Alex Brown and you can enjoy looking at all 55 images in the collection here.

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Physics World 2014 Focus on Big Science is out now

By Michael Banks

This year has been a special one for the CERN particle-physics lab near Geneva as it turns 60 years old. It was back in 1954 when the CERN convention was ratified by its first 12 member states and the European Organization for Nuclear Research was officially established.

Cover of Physics World 2014 Focus on Big ScienceThe past few months have seen CERN celebrate in style with a whole host of symposia, meetings, plays, films, concerts and other events being held at the lab and at member states across Europe.

Indeed, researchers at CERN have had a lot to celebrate recently, following the discovery of the Higgs boson at the lab in 2012, and they will be hoping for yet more success when the Large Hadron Collider (LHC) switches on next year following a two-year upgrade and maintenance programme.

In the latest Physics World focus issue on “big science” we look at what has been going on at CERN during the shutdown as the lab gears up to hunt new particles beyond the Higgs boson. Once back online, the LHC will be generating even more data than in its previous run and this focus issue also investigates how researchers are going to deal with the huge volumes of information that will be generated at many upcoming facilities, as well the need to train the next generation of researchers to use them.

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Quantum dances at the intersection of science and culture

Quantum dancers in action

Quantum dancers in action. (Courtesy: Grégory Batardon/BAM)

By Robert P Crease

I’m fascinated by the interactions between science and culture, which is what led me to the Brooklyn Academy of Music (BAM), which was hosting the US première of a dance piece called Quantum that had previously debuted where it had been created, at CERN. The event was staged in a simple, black-box space, with the audience seated around a square floor in three rows with no proscenium. But it was an upscale black box, with elegant seating upholstered in a blue-and-gold metallic sheen. Four industrial lights were suspended from the ceiling by long cables.

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Relive CERN’s highlights as the lab turns 60

By Matin Durrani

CERN has been celebrating its 60th anniversary all this month, but it was in fact six decades ago today – on Wednesday 29 September 1954 – that the lab’s convention was ratified by its first 12 member states: Belgium, Denmark, France, Germany, Greece, Italy, the Netherlands, Norway, Sweden, Switzerland, the UK and Yugoslavia.

Physics World has played its own small part in marking the anniversary, including a careers feature on what skills you need as CERN director-general, a day-in-the-life blog written by current CERN boss Rolf-Dieter Heuer, and an appearance at the lab’s TEDx event last week by our columnist Robert P Crease.

This blog entry rounds off our coverage of CERN at 60 with a few links to classic material from our archives.

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