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Tag archives: science and society

The physics of pop music, a stroll around the LHC, 3D illuminations in Bath and more

Pop physics: some of the subgenres used in a study of pop music (Courtesy:  Gamaliel Percino, Peter Klimek and Stefan Thurner/PLOS ONE DOI: 10.1371/journal.pone.0115255)

Pop physics: some of the subgenres used in a study of pop music. (Courtesy: Gamaliel Percino, Peter Klimek and Stefan Thurner/PLOS ONE 10.1371/journal.pone.0115255)

By Hamish Johnston

The take-home message from this week’s Red Folder is that “Scientists just discovered why all pop music sounds exactly the same”, at least according to an article on Music.Mic. The report describes a paper published in PLOS ONE by Stefan Thurner – a physicist at the Santa Fe Institute – and colleagues at the Medical University of Vienna.

The researchers used the online music database Discogs to sort the material on 500,000 albums into 15 musical genres and 374 subgenres. You can see examples of some of the subgenres in the above image. They discovered that as a genre of music becomes more popular, it becomes less complex as all its constituent artists and songs start sounding the same. Music.Mic’s Tom Barnes explains in his article how this ties in with various trends in the music industry, where he says “uniformity sells”.


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Season’s greetings and last-minute gift ideas


By Hamish Johnston

Things are winding down for the holidays at Physics World and we are all looking forward to recharging our batteries before we get stuck in to all the exciting physics that is sure to come our way in 2015.

If you are like me, you probably haven’t finished your Christmas shopping so here are a few suggestions that are sure to get a smile out of the physicists in your life. In the above video, author and scientist Neil Downie recommends a few traditional gifts as well as several quirky presents. I’m not sure that many people have a retort stand on their wish list, but I would certainly welcome a multimeter if I didn’t own one already.


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Prizewinning book gives materials science a chance to shine

By Margaret Harris

Mark Miodownik

Mark Miodownik last night.

Materials scientist and first-time popular-science author Mark Miodownik was all smiles last night as his book Stuff Matters scooped one of the UK’s top non-fiction awards, the Royal Society Winton Prize for Science Books. The book, an engaging and often highly personal look at some of the everyday materials that make modern civilization possible, was the unanimous choice of the five-member judging panel, coming top in a strong shortlist that also included a history of general relativity, a memoir about cancer and an analysis of the role played by physicists in Nazi Germany.

Miodownik picked up his award – a rectangular prism that looked like glass but was, he informed us, actually made of acrylic – at the end of a ceremony in which he and four of the other shortlisted authors appeared on stage at the Royal Society’s London headquarters to read passages from their books. Earlier in the evening, there had been an audible buzz in the room as Miodownik read from the introduction of Stuff Matters, in which he describes how, as a teenager, he was slashed with a razor blade during an attempted mugging, and how he became obsessed with materials and their properties afterwards. (He is now a materials engineer at University College London.)


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Abdus Salam’s legacy celebrated

Photo of opening session at ICTP 50th-anniversary meeting

Celebrating Salam – Rolf-Dieter Heuer addresses guests at the opening session of the ICTP’s 50th-anniversary conference.

By Matin Durrani in Trieste, Italy

It was a small touch, but certainly quite surprising.

To kick off the opening session of the 50th-anniversary meeting of the International Centre for Theoretical Physics (ICTP), no-one spoke. Instead, the lights were dimmed until the audience was sitting in total darkness. Then emerged the voice of the ICTP’s founding father – the Pakistani theorist Abdus Salam, who died in 1996 – as a film started rolling on the screen at the front of the lecture hall. This was followed by a series of short video messages from selected physicists from around the world who benefited from the support of the ICTP early in their careers. As one physicist put it, the ICTP was “the launching pad” for their career. “It is a rare opportunity that so many people dream about,” added another.


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Aliens and atheists

By Margaret Harris

Press releases are supposed to be attention-grabbing, but occasionally, I come across one that really goes the extra mile. That was the case this morning when – my eyes still a bit bleary, my coffee still un-drunk – I spotted a real doozy in my in-box.

“Are the world’s religions ready for ET?” the headline asked.

Some might regard this question as unimportant. Even if you care about the official views of religious groups (and many people – including some religious people – do not), their opinions about life on other planets are surely less relevant to daily life than their guidelines on, say, human morality. After all, if extraterrestrial life does exist, it is an awfully long way away: the nearest star system to ours, Alpha Centauri, is more than four light-years off, and astronomers do not regard it as a good candidate for habitable planets. So, if extraterrestrial life is ever discovered, the Earth’s religions will have plenty of time to get used to it before it causes them any practical problems down at the local synagogue, mosque, temple or church (“Baptismal Ceremony ET: For alien life forms unable to answer for themselves”).


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A look back at how the dust fell on BICEP2

By Tushna Commissariat

It’s been five days since the metaphorical dust settled on the apparent “discovery” of the B-mode polarization of the cosmic microwave background that was reported in March. The claim came from the team behind the Background Imaging of Cosmic Extragalactic Polarization (BICEP2) telescope at the South Pole, and much has been said since about what was then hailed as one of the biggest scientific discoveries of the decade.


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The secret life of hairdryers, the crackpot conundrum and mesmerizing animations

By Hamish Johnston

Secret lives will be revealed at the Science Museum in London (Courtesy: Batholith)

Its secret life will be revealed at the Science Museum in London. (Courtesy: Batholith)

If you happen to be in London next Saturday (20 September), the Science Museum is running a workshop called “The field life of electronic objects”. Participants will measure the electromagnetic fields surrounding everyday objects such as hairdryers and hard drives “to produce astonishing light images of these objects’ secret life”. Space is limited, the cost is £10 and you can register online.

One thing that we really struggle with here at is comments from crackpots. My colleagues and I put a lot of effort into writing and editing articles that we believe will be of general interest to the physics community. There is nothing more soul-destroying than spending hours trying to understand and then explain a tricky piece of research only to see the comments on your article hijacked by someone promoting their own bizarre theory.

The American Physical Society (APS) takes a brave and novel way of dealing with crackpots – it gives them their own sessions at APS conferences. In “The Crackpot Conundrum”, blogger Henry Brown describes the mood at such sessions as depressing, something that I understand based on a session that I sat through. Brown then reviews some of the various ways that physics bloggers deal with crackpots and in a moment of deep introspection suspects that he might be seen by some as a crackpot!

Finally, if you are winding down on a Friday afternoon, you can put yourself in a trance by watching these mesmerizing animations by the Irish physicist David Whyte.

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Physics World’s futuristic look

Physics World magazine seen through the NPL device

Holographic view: The August 2014 issue of Physics World, seen through the NPL device. (Courtesy: NPL/Richard Stevens)

By Tushna Commissariat

Some of you may remember a news story I wrote last month that looked at a new optical gadget that uses a holographic waveguide to augment reality. The device hopes to transform the wearable-display market – it allows users to overlay full-colour, 3D, high-definition images into their normal line of sight, thereby interacting with their surroundings. The waveguide was developed by UK-based company TruLife Optics, along with researchers from the adaptive-optics group at the National Physical Laboratory (NPL) near London.


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Hello Kitty in space, Lord of the Rings physics homework and more

Image of Yi So-yeon

Yi on the day of her launch – 8 April 2008. (Courtesy: NASA)

By Tushna Commissariat

This week, South Korea’s one and only astronaut, 36-year-old Yi So-yeon, has quit her job, thereby signalling the end of the country’s manned space programme for the time being. In 2008 Yi became the first Korean to go into space, when for 11 days she travelled on board a Russian Soyuz spacecraft to the International Space Station, after being chosen through the government-run Korean Astronaut Program. Yi cited personal reasons for quitting, but has been studying for an MBA in the US since 2012. You can read more about her work and reasons for leaving in articles from Australia Network News and abc News.


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Rise of the real transformers, a celestial farewell for your furry friend and more

A view of the robot in three stages

Ready, steady, go: a profile view of the “transformer” robot. (Courtesy: Seth Kroll, Wyss Institute)

By Tushna Commissariat and Michael Banks

While the latest Transformers film hit cinemas in the UK earlier this month, scientists in the US at Harvard University, along with colleagues at the Massachusetts Institute of Technology, have developed the very first “real life” transformer: a robot that starts out flat, folds and assembles itself into a complex shape and can then crawl away – all without any human intervention. Indeed, these printed robots can self-fold themselves in about four minutes – a huge improvement on previous models that could take up to two hours. They can even turn and naviagte around, making them a handy and practical tool.


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