Posts by: Tushna Commissariat

The facts and figures of peer review

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Counting up: peer review by numbers – click to expand. (Courtesy: IOP Publishing)

By Tushna Commissariat

I mentioned yesterday that it was the start of “Peer Review Week”, which this year takes “recognition for review” as its theme. Physics World is published by IOP Publishing, which makes us a “society publisher” as we’re wholly owned by the Institute of Physics – a charity. IOP Publishing is also a relatively small operation compared with other large commercial publishers, but we still pack a punch, publishing more than 70 journals.

If you’ve ever wondered just how big a deal peer review is to the publishing sector, the infographic above (click on it to see the whole graphic) reveals some key figures such as the number of reviews completed last year at IOP Publishing, the average time taken to complete a review, as well as the reviewers’ geographical spread.

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Recognizing peer review and all those who referee

Recognised reviewers: Peer Review Week 2016

Recognized reviewers: Peer Review Week 2016

 

By Tushna Commissariat

This week, academic publishers all over the world are celebrating peer review and the vital role it plays in the scientific process. Indeed, this week is officially dubbed “Peer Review Week” and this yearly event aims to bring together “individuals, institutions and organizations committed to sharing the central message that good peer review, whatever shape or form it might take, is critical to scholarly communications”. This is the second time the event is being held, and this year’s theme is “recognition for review”.

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Award-winning ‘Bailys Beads’, schoolyard accelerators , pulsar poems and more

 

By Tushna Commissariat

Its officially that time of the year again when we can marvel at this year’s winners of the Insight Astronomy Photographer of the Year 2016. The awards ceremony, held at the Royal Greenwich Observatory, has unveiled some truly spectacular and ethereal shots of our universe. The overall winner this year is a truly amazing composite image of the 2016 total solar eclipse that shows the ‘Baily’s Beads’ phenomenon and was taken by photographer Yu Jun in Luwuk, Indonesia. In the video above, the judges explain why this particular image was the main winner for the year.

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Primal colours across the spectrum, impossible space engines

 

By Tushna Commissariat 

Physicists and artists have long been intrigued and drawn in by the various mysteries that light and its many colours offer. In the latest installation to be unveiled at the Natural History Museum in London, artist Liz West has unveiled her stunning new work dubbed Our Spectral Vision. The exhibit aims to delve into the long and complex history of the development of colour and vision “through the eyes of nature”. Our regular readers will recall the many physics papers that look into the same, from the structural colour of butterflies to the nanostructures in avian eggshells to the mantis shrimp’s visual superpowers. West’s exhibit deals with many of these topics and more including some fantastic “350 rarely seen specimens, from beautiful birds to fossils of the first organisms with eyes”. If you are based in the UK, do visit the exhibit and otherwise, take a look at the video above to see through West’s eyes.

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Cracking water drops caught on camera

(Courtesy: E Ghabache et al., Phys. Rev. Lett.)

(Courtesy: E Ghabache et al./Phys. Rev. Lett.)

By Tushna Commissariat

Drops of water normally tend to splash when they strike a surface. But what happens if they hit something very cold? It turns out they first freeze and then crack, forming intricate fracture patterns, one of which you can see in the image above.

It was taken using a high-speed camera by Christophe Josserand, Thomas Séon and colleagues at the Jean Le Rond d’Alembert Institute in France. They watched water solidifying as it dripped onto a stainless-steel surface cooled to various temperatures between 0 and −60 °C (Phys. Rev. Lett. 117 074501). Due to the contact between the drop and the surface, the water’s ability to freeze is limited and mechanical stress makes it fracture in a few milliseconds.

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Plush toys launched into space, interplanetary mining missions and more

 

By Tushna Commissariat

The European Space Agency’s (ESA) Rosetta spacecraft has, as of this week, spent two full years in orbit around comet 67P/Churyumov–Gerasimenko, since it reached its destination in August 2014. While Rosetta was the mothership, it also deposited its “baby” lander called Philae onto the comet’s surface in November that year. Sadly Philae was switched off in July this year. If you feel like you want to relive the excitement of the initial launch, take a look at the video above. The folks over at Design and Data, who created Rosetta’s iconic cartoons and memorabilia for ESA, launched a plush-toy version of the spacecraft into space, to see how it would fare. Watch the video to see how their “mission” played out.

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And so to bed for the 750 GeV bump

the combined 2015 nd 2016 ATLAS diphoton data

No bumps: ATLAS diphoton data – the solid black line shows the 2015 and 2016 data combined. (Courtesy: ATLAS Experiment/CERN)

By Tushna Commissariat

After months of rumours, speculation and some 500 papers posted to the arXiv in an attempt to explain it, the ATLAS and CMS collaborations have confirmed that the small excess of diphoton events, or “bump”, at 750 GeV detected in their preliminary data is a mere statistical fluctuation that has disappeared in the light of more data. Most folks in the particle-physics community will have been unsurprised if a bit disappointed by today’s announcement at the International Conference on High Energy Physics (ICHEP) 2016, currently taking place in Chicago.

The story began around this time last year, soon after the LHC was rebooted and began its impressive 13 TeV run, when the ATLAS collaboration saw more events than expected around the 750 GeV mass window. This bump immediately caught the interest of physicists the world over, simply because there was a sniff of “new physics” around it, meaning that the Standard Model of particle physics did not predict the existence of a particle at that energy. But also, it was the first interesting data to emerge from the LHC after its momentous discovery of the Higgs boson in 2012 and if it had held, would have been one of the most exciting discoveries in modern particle physics.

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Sporty physics, the pub in a Faraday cage, LEGO NASA women and more

 

By Michael Banks and Tushna Commissariat

The Rio 2016 Olympics will kick off tomorrow and over the next three weeks, while you enjoy watching the world’s top athletes compete in the huge variety of sports, spare a thought for the physics involved. From how to throw a ball to running, from pole vaulting to golf, physics and sport are fellow brethren. Head on over on the JPhys+ blog to read “The big physics of sport round-up!” post and watch our video series above, in between cheering on your favourite teams.

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In flight around the world’s brightest laser and the inverse Cheerio effect

 

By Tushna Commissariat

If you have never been one of the lucky few to have wandered the tunnels of a particle accelerator, but have always wondered what lies within, take a look at the video above. The European X-ray Free Electron Laser (European XFEL) – which is currently under construction in Germany and will come online next year – will provide ultrashort (27,000 X-ray flashes per second) and ultrabright X-ray laser flashes that are needed to study chemical reactions in situ or to study extreme states of matter (you can read more about the kind of research that will be done there in the September issue of Physics World magazine). The XFEL tunnel is 3.4 km long and you can zoom across all of it in the 5 minute long video. I particularly enjoyed watching particular locations where engineers could be seen carrying out tests, as well as watching folks on bicycles wobble out of the camera’s way.

On a slightly related note, if, like me, you occasionally get a bit muddled when it comes to certain details of different particle accelerators – for example which came first, the synchrotron or the cyclotron – take a look at this excellent “primer” over at Symmetry magazine.

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Dinner that’s out of this world, Higgs pizza and a cosmic symphony

 

By Michael Banks and Tushna Commissariat

Before setting off to the International Space station (ISS) for six months, UK astronaut Tim Peake revealed that one of the meals he would miss most is the classic British roast dinner. So what better way to celebrate the 44 year old’s safe return to Earth last month than to create a portrait of him made from his favourite nosh? Designed by UK “food artist” Prudence Staite for the Hungry Horse pub chain, the culinary creation took 20 hours to make – you can watch a timelapse video of it being created above. The finished portrait weighed in at 12 kg and says “Welcome Home Tim”. Hungry Horse has even offered Tim and his family free roast dinners for life.

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