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Tag archives: Physics World

The May 2017 issue of Physics World is now out

PWMay17cover-200By Matin Durrani

Einstein’s equations of general relativity might fit on a physicist’s coffee mug, but solving them is no mean feat. Now, however, the equations have been solved in a cosmological setting for the first time, as Tom Giblin, James Mertens and Glenn Starkman explain in the May 2017 issue of Physics World magazine, which is now live in the Physics World app for mobile and desktop

Elsewhere in the issue, you can enjoy an interview with John Holdren, who spent eight years as Barack Obama’s presidential science adviser. Find out too about the good and bad of nanoparticles and explore the potential that skyrmions – magnetic quasiparticles – could hold as a new form of memory storage.

Don’t miss either this month’s Lateral Thoughts, in which physicist Roger Todd describes how his invention of a system for automatically watering his house plants almost led to a commercial device.

Remember that if you are a member of the Institute of Physics, you can read Physics World magazine every month via our digital apps for iOS, Android and Web browsers.

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So you want to know about the dark universe?

Photo of Catherine Heymans, University of Edinburgh

Big thinker – Catherine Heymans is an observational cosmologist at the University of Edinburgh and author of the new Physics World Discovery ebook The Dark Universe.

By Matin Durrani

It never ceases to amaze me that we know almost nothing about 95% of the universe. Sure, the consensus is that 25% is dark matter and the rest is something dubbed “dark energy”, but beyond that our knowledge is wafer thin.

The flip side, though, is that there’s plenty for physicists to get stuck into. And if you want to get up to speed with the field and find out more about some of its challenges, do check out a new free-to-read Physics World Discovery ebook by Catherine Heymans from the Royal Observatory, University of Edinburgh, UK.

Available in ePub, Kindle and PDF formats, The Dark Universe explains the dark enigma and examines “the cosmologist’s toolkit of observations and techniques that allow us to confront different theories on the dark universe”. And to get you in the mood for all things dark, I asked Heymans some questions about her life as a research scientist. Here’s what she had to say.

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Space weather: it’s all about impact

By Susan Curtis

Extreme ultraviolet image of a tangle of arched magnetic filed lines in the Sun's corona, taken in January 2016 by NASA's Solar Dynamics Observatory.

Dangerous affair – an extreme ultraviolet image of a tangle of arched magnetic filed lines in the Sun’s corona, taken in January 2016 by NASA’s Solar Dynamics Observatory. (Courtesy: Solar Dynamics Observatory, NASA)

We all love a good disaster movie, but when it comes to real life it’s all too easy to downplay a dangerous but distant threat. Many people choose to live on active volcanoes, the citizens of San Francisco know that “the Big One” could strike at any moment, and yet they believe that the benefits of living in those locations outweigh the risk of a severe event happening in their lifetime.

The same dilemma faces the community of scientists, engineers and policy-makers who are working to understand the impacts of space weather – changes in the Earth’s environment that are largely are driven by physical processes originating from the Sun. Space weather has the potential to disrupt or even damage critical infrastructures on Earth, such as the power grids, aviation routes and communication systems that modern societies depend on, but the last notable event dates back to 2003.

That’s why Mike Hapgood, who heads up the Space Weather Group at RAL Space, part of the UK’s Rutherford Appleton Laboratory, has written a new, free-to-read Physics World Discovery ebook called Space Weather. “I thought it would be a great opportunity to highlight what space weather is really about, and to show how we are linking our scientific knowledge to a better understanding of the impacts on society,” he comments.

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From blue fogs to Brexit – the April 2017 issue of Physics World is now out

PWApr17cover-500-ruleBy Matin Durrani

“The secret of the blue fog” might sound like a Tintin book, but it’s all about a strange form of liquid crystal that’s the cover story in the April 2017 issue of Physics World magazine, which is now live in the Physics World app for mobile and desktop.

First observed in the late 1800s, only recently have we finally uncovered the structure of these materials, which turn blue when cooled. As Oliver Henrich and Davide Marenduzzo explain, blue liquid crystals could be used for new kinds of display devices.

Elsewhere in the issue, mathematical physicist Jason Lotay explains his work in seven extra dimensions, while science writer Benjamin Skuse examines the challenge for respected physicists with theories outside the mainstream.

Don’t miss either our latest look at Donald Trump’s scientific shenanigans, including an interview with Rush Holt – the physicist-turned-politician who’s now head of the American Association for the Advancement of Science.

Remember that if you are a member of the Institute of Physics, you can read Physics World magazine every month via our digital apps for iOS, Android and desktop.

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Introducing Physics World Discovery

Image of the first five Physics World Discovery ebooks

Free to read – the first five Physics World Discovery titles.

By Matin Durrani

What better way to celebrate World Book Day than by checking out Physics World‘s new series of free-to-read, short-form ebooks. Entitled Physics World Discovery, they are short introductions to some of the hottest topics in physics written by leading voices in the physics community.

Available online here, these short-form ebooks follow all the attributes of feature articles in Physics World magazine – being well written, accessible, timely and authoritative. But as ebooks, they allow authors to go into more detail than a standard Physics World feature and include plenty of graphs, diagrams and pictures too.

Being short, each title is an ideal starting point for for physicists at all stages of their careers to get quickly up to speed with an evolving physics field.

We’ve published five Physics World Discovery texts so far, with more in the pipeline. You can read them in PDF, ePUB or Kindle format, making them perfect for those wanting intellectual stimulation on a train or plane journey.

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The February 2017 issue of Physics World is now out

PWFeb17cover-500-ruleBy Matin Durrani

It’s time to check out the February issue of Physics World magazine, where our cover story looks at the physicists studying how dinosaurs moved. The issue is now live in the Physics World app for mobile and desktop, and you can also read the article on physicsworld.com here.

There’s also a great feature about whether supersolids could be making a comeback, while science writer Brian Clegg explains why anticipating people’s questions is the secret to good science communication.

Elsewhere in the new issue, check out why Jules Verne was spot-on with the physics of drones and meet the man who’s been the driving force behind statistical physics meetings.

Remember that if you are a member of the Institute of Physics, you can read Physics World magazine every month via our digital apps for iOS, Android and desktop.

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Happy New Year! The January 2017 issue of Physics World is now out

 pwjan17cover-500By Matin Durrani

Happy New Year from all the team at Physics World!

To get things off to a cracking start, check out the January issue of Physics World magazine, which has a wonderful feature by Patrick Hayden and Robert Myers about how the study of “qubits” – quantum bits of information – could be key to uniting quantum theory and general relativity. The issue is now live in the Physics World app for mobile and desktop, and you can also read the article on physicsworld.com from tomorrow.

Elsewhere in the new issue, you can discover how physicists have waded into the debate over whether magnetic fields can control neurons and enjoy a great feature on why some birds don’t kick out intruder cuckoo eggs.

You can also find out just why so many physicists are worried about Donald Trump’s imminent inauguration as US president.

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From penguins to photons – the December 2016 issue of Physics World is now out

pwdec16cover-200By Matin Durrani

Everyone loves physics. And everyone loves animals, right? In the December issue of Physics World magazine, which is now live in the Physics World app for mobile and desktop, University of Bristol physicist Peter Barham explains how he became an expert in penguins, studying the factors that that affect their survival and discovering how to use the spots on African penguins to identify them. You can also read the article here.

Elsewhere in the new issue, you can enjoy our selection of the best books for Christmas, discover how one physicist became a successful contemporary dancer, and find out how to spot single photons with your naked eye.

Don’t miss either the chance to win a copy of Astronomy Photographer of the Year: Collection 5 in our special prize puzzle.

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Physics of food – the November 2016 issue of Physics World is now out

 

By Matin Durrani

If you love crisps – and frankly who doesn’t? – you’ll relish the cover feature of the latest issue of Physics World, in which features editor Louise Mayor tours the world’s biggest crisp factory at Leicester in the UK to see how physics is improving production of this yummy salty snack. The issue is now live in the Physics World app for mobile and desktop and will also be made available on physicsworld.com later this month.

Elsewhere in this special issue on physics and food, you can find out how electric fields could help to cut the fact from chocolate and discover why sound holds the key to our appreciation of what we eat.

You can also see how physicists – being masters of data-gathering, modelling and simulation – are ideally placed to develop products that are healthier, more nutritious and make more of our resources. Find out too how soft-matter physicists are crafting “functional” foods that promote feelings of fullness and satisfaction.

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The September 2016 issue of Physics World is now out

By Matin Durrani

The cover story in the September 2016 issue of Physics World magazine – now live in the Physics World app for mobile and desktop – reveals the fascinating new field of “crowd breath research”, which can even shed light on how cinema audiences react during the changing scenes in a movie. You can read the article here on physicsworld.com too.

The September issue also shows how to do crystallography without crystals, explains how first data from the Gaia spacecraft could revolutionize astronomy (see the above video for more on that), and contains one physics teacher’s fascinating story about what she did to change her school’s gender balance.

Don’t miss either reader feedback on the potential impact of Britain leaving the EU on physics or Robert P Crease’s Critical Point column on why science denial is one of the most important issues in the US presidential campaign.

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