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Tag archives: Nobel prize

Physics World talks to Spanish TV about migrating Nobel laureates

 

By Hamish Johnston

A few weeks ago I was in Germany for the 66th Lindau Nobel Laureate Meeting, where I moderated a “press talk” about migration and science. This was essentially a panel discussion that involved two chemistry Nobel laureates – Martin Karplus and Daniel Shechtman – and two early-career physicists: Winifred Ayinpogbilla Atiah from Ghana and Ana Isabel Maldonado Cid from Spain.

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A Nobel view on scientific leadership

Brian Schmidt speaks to young scientists in Lindau (Courtesy: Lindau Meeting)

Brian Schmidt speaks to young scientists in Lindau. (Courtesy: Lindau Meeting)

By Alaina G Levine, at the Lindau Nobel Laureate Meeting in Germany

One of the best things about being at the 66th Lindau Nobel Laureate Meeting is that there are surprises around every corner. The organizers give you a programme, but you might not even realize the significance of an event until you are knee deep in it.

This morning, I attended one of four “Science Breakfasts” held this week, in which Nobel laureates and leaders in various industries share the stage and discuss topics of interest to the young scientists who have travelled from all over the world to participate in the meeting.

Over croissants and orange juice, the 2011 physics Nobel laureate Brian Schmidt took part in a lively discussion that itself was a mouthful: “Decoding science leadership: Developing capacity for leading innovation in a rapidly evolving 24/7 world with disruptive opportunities and challenges”.

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George Smoot on mapping the universe with gravity

Measuring the universe: George Smoot enthuses about gravitational waves

Measuring the universe: George Smoot enthuses about gravitational waves.

By Hamish Johnston at the Lindau Nobel Laureate Meeting in Germany

Yesterday I was in a fantastic session with George Smoot, who shared the 2006 Nobel Prize for Physics for discovering the anisotropy in the cosmic microwave background. He will be speaking today at the 66th Lindau Nobel Laureate Meeting about another important astronomical discovery, the first direct detection of gravitational waves that was made by LIGO in September 2015. Waves that were created by the merger of two unexpectedly large black holes.

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Blue LEDs and a revolution in light

Morning in Lindau: great scenery and wonderful talks

Morning in Lindau: great scenery and wonderful talks.

By Hamish Johnston at the Lindau Nobel Laureate Meeting in Germany

It has been a great morning of physics talks this morning here at the 66th Lindau Nobel Laureate Meeting. Hiroshi Amano, who shared the 2014 Nobel Prize for Physics for the development of the blue LED, spoke first about the practical aspects of his creation.

Electronic displays and low-energy lighting are two obvious applications for blue LEDs. Amano pointed out that LED lighting uses 1/8 the energy of incandescent bulbs and 1/2 that of fluorescent lights. But perhaps more importantly, he says that this low-energy operation means that light can be introduced to remote and poor parts of the world. This has the potential to boost education because it enables children in areas with no mains electricity to read and study at night.

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Talking about immigration with Nobel laureates in Lindau

Lakeside view: Lindau's harbour on Lake Constance

Lakeside view: Lindau’s harbour on Lake Constance.

By Hamish Johnston at the Lindau Nobel Laureate Meeting in Germany

I arrived in the German town of Lindau yesterday evening expecting it to be a sleepy little burg where I would struggle to find somewhere open to get a bite to eat. Instead I was greeted at the station by a cacophony of car horns and singing as Germany had just beat Slovakia and claimed its place in the next round of the Euro 2016 football tournament.

I’m here in the far south of Germany for the 66th Nobel Laureate Meeting. Tomorrow I will be hosting a “press talk” about how immigration continues to shape the scientific world. Last week’s momentous decision by the UK to leave the European Union is sure to come up in the panel discussion, which will include input from two chemistry Nobel laureates – Martin Karplus and Daniel Shechtman. I will also be joined on the panel by two early-career physicists: Winifred Ayinpogbilla Atiah from Ghana and Ana Isabel Maldonado Cid from Spain.

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Would you encourage your grandchildren into condensed-matter physics?

A packed room for Sir Anthony's talk at APS March 2016

Packed in: a full room for Anthony Leggett’s talk. (Courtesy: Tushna Commissariat)

By Tushna Commissariat in Baltimore, Maryland, US

One of the most popular talks this morning at the APS March meeting was almost certainly given by Nobel-prize-winning physicist Anthony Leggett of the University of Illinois at Urbana-Champaign in the US.  Leggett, who shared the 2003 Nobel Prize for Physics for his work on superconductors and superfluids, talked about his “Reflections on the past present and future of of condensed-matter physics”.

As the abstract of his talk suggests, Leggett looked at the ways, means and even the very definition of “condensed-matter physics” has changed and “evolved since its inception in the early 20th century, with particular reference to its relationship to neighbouring and even distant disciplines”. He went on to “speculate on some possible directions in which the discipline may develop over the next few decades, emphasizing that there are still some very basic questions to which we currently have no satisfactory answers”.

I missed the beginning of his talk as I was attending the morning’s first set of press briefings (more on those later) but when I did walk into the packed hall for his talk, his slide had the rather interesting title: “Would I encourage my grandchildren to go into condensed-matter physics?” Happlily enough, his answer at the end of his talk was a resounding “yes”.

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How to win a Nobel prize

By Hamish Johnston

Takaaki Kajita

Eureka moment: Takaaki Kajita’s Nobel journey began when he was improving software. (Courtesy: Takaaki Kajita)

This morning I had the pleasure of speaking with Takaaki Kajita, who shared this year’s Nobel Prize for Physics. He won for discovering that some of the muon neutrinos produced by cosmic-ray collisions in the atmosphere change flavour as they travel to Earth. This phenomenon, called neutrino oscillation, tells us that neutrinos have mass – something that was not initially included in the Standard Model of particle physics.

From his office at the University of Tokyo, Kajita told me that the story began in 1986 when he was working on a proton-decay experiment at the Kamioka underground lab in Japan. He was trying to improve some software that was designed to discriminate between electrons and muons created within the detector. He noticed that there were fewer events associated with muon neutrinos than expected. Muon neutrinos are created in the atmosphere when cosmic rays collide with air molecules and a possible explanation for the deficit was that some of the muon neutrinos were oscillating into electron neutrinos on their journey to the detector. Looking back, however, Kajita told me that his initial reaction to the deficit was that he must have made a mistake in his analysis.

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Weighing up the options for neutrino mass

 

By Tushna Commissariat

As I am sure all of you know, the 2015 Nobel Prize for Physics was awarded yesterday to Arthur McDonald and Takaaki Kajita “for the discovery of neutrino oscillations, which shows that neutrinos have mass”. Following on from yesterday’s neutrino-flavoured excitement, here’s an explanation of why it’s so important that we better understand neutrino mass.

Our current observations and theories of neutrino oscillations suggest that at least two of the currently known three flavours of neutrinos have non-zero mass. While we know the mass differences between the different neutrino flavours accurately, their actual masses have not been measured. It’s not for lack of trying, it has simply proven very difficult to make the measurements.

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And the winner is: our 2015 Nobel-prize predictions

Psychic world: we are prepared to be wrong about this year's prize

Psychic world: we have another go at predicting the Nobel winners. (Courtesy: iStockphoto/shutter_m)

By Tushna Commissariat and Hamish Johnston

 

Update: Looks like we were quite spectacularly wrong this time around with our predictions as this year’s Nobel has been awarded to Arthur McDonald and Takaaki Kajita “for the discovery of neutrino oscillations, which shows that neutrinos have mass”. While Physics World’s news editor Michael Banks did predict this in 2013, we did not think this would be the year. Clearly, as our “Which physics disciplines attract the most Nobel prizes” infographic suggests, the field of particle physics still seems to be the most Nobel-worthy one.

It’s a mug’s game, we know, but come the start of October we just can’t resist trying to predict who will win the Nobel Prize for Physics, which this year will be announced on Tuesday 6 October.

With the exception of 2013 – when most pundits were right in thinking that the prize would be related to the 2012 discovery of the Higgs boson – predicting the next Nobel winners (or winners) is a tough call. If you want to take an analytical approach, check out the infographic we published last year: “Which physics disciplines attract the most Nobel prizes”. It suggests that the field of atomic, molecular and optical physics is due a prize, and one of us (Hamish Johnston) thinks an excellent bet is Deborah Jin for her work on fermionic condensates. If Jin were to win, she would be only the third woman ever to win a physics Nobel – the other two being Marie Curie in 1903 and Maria Goeppert-Mayer in 1963.

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New infographics show that more than one-quarter of physics Nobel laureates are immigrants

Maps showing the movement of physics Nobel laureates

Migration of minds: maps showing the movement of Nobel laureates (click to see full infographic). (Design: Paul Matson)

By Hamish Johnston

Next Tuesday the Nobel Prize for Physics will be announced at 11:45 CEST and I am making the bold prediction that the winner – or one of the winners – will be an immigrant. Why? Because this year’s Physics World Nobel-prize infographics show that of the 198 people who have won the prize, 51 are immigrants – so I reckon there is a reasonable chance that I will be right.

What do we mean by an immigrant? This is a tough question, especially in science, where people tend to move around a lot and don’t always settle in one place. For the purposes of these infographics, we have used a rather crude definition of an immigrant laureate: someone who died or currently lives in a country other than that of their birth. There is more about how we made the infographics later in this post – but first, what do they tell us?

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