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IAPS 2022-2023 jIAPS

UK selection for the International Physicists’ Tournament

🇺🇦 🇬🇧 Anastasiia Vasylchenkova, IPT national representative in the UK

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Group photo of all participants and jurors in front of the UCL Portico

This year in the United Kingdom, we had the first-ever National Selection for the International Physicists’ Tournament in tournament style. In previous years, the participants just had to submit a written report for selection. This year, it has been quite inspiring to have a national selection, as teams could experience all the joy and fun of physics fights. 

The International Physicists’ Tournament (IPT) is a competition which gathers university student teams from all around the world for a unique process of solving challenging problems in teams and defending their solutions at Physics Fights. From this year, the IPT is a major event under the umbrella of IAPS. More information is available via iptnet.info.

At the beginning of December, three teams arrived at the University College London (UCL) for the National Selection event. We had a University of Cambridge team, a UCL team and a joint team from UCL and Kings College London. 

The IPT is famous for thought-provoking problems for training research and debating skills of our participants. For example, the last report by the winning – Cambridge – team was about Dancing light problem. It states: “Put a membrane with a mirror over a speaker. Then project the reflection of a laser pointer over a screen. By driving the speaker with single or multiple frequencies you may observe lines and shapes projected on the screen. Given a closed trajectory in 2D of a single line, find the input on the speaker required to “paint” the line. Can you also “rotate” the line as you desire? Investigate the limitations.”

Other participants and jurors were pleased to watch experimental videos of the reporting team, listen to their hypotheses and outcomes, and have a discussion about different aspects of the physics behind the phenomena. 

We heartily appreciate the teams’ efforts in solving the IPT problems and dedicating their Sunday to participation in physics fights. We are also extremely grateful to our jury panel for working very hard in assessing teams’ performance. Last but not least, the IPT was supported by the Institute of Physics, in particular, London and South East Branch, and STEMM Global Scientific Society.

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The winners of the UK national selection (University of Cambridge)
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IAPS 2022-2023 jIAPS

jIAPS Staff Member Milestones

There are lots of opportunities to get involved with jIAPS – here we would like to recognise the incredible efforts of our top contributors so far this year. 

There is still chance to contribute to jIAPS, whether you would like to write an article, send a photo of an event you participated in, or help with graphic design – just email us at jiaps@iaps.info .

Congratulations to the following jIAPS Staff Members who have reached these milestones:

50 contributions: 

🇵🇭 Harvey Sapigao 

30 contributions:

🇯🇵 Muhammad Frassetia Lubis 

10 contributions:

🇲🇰 Evgenija Pandova 

🇲🇽 Fabiola Cañete

🇮🇳 Jeet Shannigrahi

🇮🇳 Noumish Hait

🇪🇸 Pedro Villalba González 

5 contributions:

🇳🇵Rabin Thapa

🇬🇧 Sophie Gresty

🇩🇴 Thara Caba 

🇷🇸 Zlatan Vasović

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Announcements IAPS 2022-2023

IAPS Extra-Ordinary General Meeting, Sunday, 2nd April 2023 at 12:00 pm UTC

Agenda:

1 – Welcome

2 – Election of the Chair, Minute Takers and Tellers

3 – Membership

 3.1 – Voting Rights

 3.2 – New Members

 3.3 – Quorum

4 – Approval of the 2022 AGM Minutes

5 – Charter and Regulation Changes

6 – Information about the 2023 AGM 

7 – School Day Reform

8 –  Outreach Manager Elections

9 – Other Points

Most of the documents are uploaded on the IAPS Cloud.. The meeting link, voting tokens and further details will be sent directly to the registered delegates of each committee so please make sure to register your delegates here.

We are looking for volunteers for meeting officials so please write to us if you are interested 🙂

If you are interested in becoming the IAPS Outreach Manager, please send your CV and a cover letter to us at ec@iaps.info.

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Events IAPS 2022-2023 Uncategorized

The Countdown to PLANCKS 2023, Milan, Italy

Authors: Matteo Vismara and Valentina Raspagni

Imagine being in Milan, Italy, together with a Nobel Prize Winner and 245 of the best minds in the world in the field of Physics: this is not imagination; it is PLANCKS, the world finals of the Physics Olympics.

PLANCKS is one of IAPS’ most significant annual events. The best physics students from all over the world, winners of national competitions, compete in solving problems concerning numerous physics disciplines. Every year, PLANCKS is organized by a different local committee. For the 2023 edition, the Milano Statale section of AISF has been entrusted with this role. AISF, the Italian Association of Physics Students, is the Italian National Committee of IAPS. The students of AISF will take care of the management and the correct execution of all the activities. They will help all the participants to enjoy the event, catering for their needs and requirements.


The tenth edition of PLANCKS will be held in Milan from 12 to 16 May 2023. In addition to the actual competition, which will take place in the Physics Department of the State University of Milan, there will also be presentations, seminars, guest lectures and visits to laboratories and centres of research in the Milan area. The event will allow students to discover new frontiers of scientific research, learn about Italian excellence and evaluate possible study paths in Italy, while making new personal and academic contacts. These activities also aim to help students from Bachelor’s, Master’s, and Doctoral degree courses to orient themselves in the world of work.

Since the first edition, which was held in Utrecht in 2014, the entire academic world has recognised PLANCKS as an opportunity for dialogue between students, researchers and professors. As evidence of this, there is a succession of guest lectures held by illustrious scientists of the calibre of Stephen Hawking and by many Nobel Prize winners for physics, such as Reinhard Genzel.


This year, Milan will have the honour of hosting: Marco Liscidini, associate professor of the Physics Department of the University of Pavia, recognised as a fellow by the Optical Society of America (OPTICA, ex OSA) and expert in the fields of photonics and optics classical and quantum nonlinear; Claudia Pasquero, associate professor of Oceanography and Atmospheric Physics at the University of Milan Bicocca and vice-president of the Mathematical Geophysics committee of the IUGG (International Union of Geodesy and Geophysics); and Didier Queloz, Nobel Prize winner in 2019 for the discovery of the first exoplanet orbiting a primary sequence star.

Some of these lectures will take place in the classrooms of the University of Milan; others will be held in public spaces in the city of Milan to widen participation and include the local community. In fact, dissemination is one of the main objectives of IAPS and AISF: our mission is to take physics as far as possible, making sure that this splendid science, which links the abstract beauty of mathematics to the origin and transformation of our universe, is accessible to as many people as possible.
Opening these guest lectures to citizens makes the city of Milan an open-air laboratory, sharing the beauty of the ideas that have marked and still mark the path of science and technology in the history of humanity. It shows the importance of a scientific language, of a method, a
fundamental tool in the challenges that humanity must and will have to face.

PLANCKS is organised in collaboration with the Italian Physical Society (SIF) and is also supported by the European Physical Society (EPS), the Italian Society of Optics and Photonics (SIOF), the International Union of Pure and Applied Physics (IUPAP) and the International Association of Geomagnetism and Aeronomy (IAGA).

Follow the countdown to PLANCKS 2023 on Instagram and stay tuned for future jIAPS articles featuring PLANCKS Preliminaries.

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IAPS 2022-2023 jIAPS

A Teacher’s Journey to the Roof of the World

Author: 🇳🇵 Rabin Thapa, Dolpo Buddha Rural municipality, Dolpa

Rabin has shared his experiences of being a Science teacher in a mountainous region of Nepal with jIAPS:

After completing my Master’s degree in physics, I applied for the post of teacher of mathematics and science in Crystal Mountain School (CMS) which is located in upper Dolpa at an altitude of 4300 meters. Inside me, the answer to the question: ‘why did I apply for this professional vacancy as a late twenties Nepalese citizen , is still an unanswered conflict or chaos tumbling in a wave of thought whenever I close my eyes.

Passing through the physical interview process and orientation, I was ready for an hour flight from Kathmandu to Nepaljung, followed by two days road travel and three days uphill trek to the school. However, my plans were disrupted by a domestic flight cancellation. 

Vision Dolpo, an organization managing the seven months academic terms during summer with an ambition to uplift the local literacy potential, can be highly praised. During the six days’ journey, the pressure related to finance and socio economic fluctuation was clearly visible. Meanwhile, we reached our destination on 17th April. A day’s rest was scheduled to face altitude sickness before starting regular teaching on 19th April.

Considering the harsh geographical navigation of CMS coupled with the local living standard, the encounter of limited stationary, student’s uniforms, teaching resources, regular food and IT access was inevitable. In this context, everything apart from basic requirements had to be brought from the capital, to be able to conduct regular academic activity. These supplies were  transported from Dolpa’s district headquarters to the school’s location by mules and donkeys. In April, around hundred shacks of school material were on the way to our location. During dinnertime a few days after I arrived, I heard that Dolpo Buddha Rural Municipality was facing official blockage due to political turbulence, which resulted due to per-planned local elections announced by the government. Due to this blockage, whatever its cause, CMS’s administration had to face the scarcity of food for the staff. Most prominently, the 250 students who come to school here are struggling with availability of stationary, learning material, laboratory tools and uniforms. The stark reality, the real image of public education as experienced by me, is really heartbreaking. I can remember wishing that my heartache could be consoled and thinking of the passenger’s song entitled, “Survivor”.

After a long wait of three months, the supplies, including the stationary for the students, finally arrived. However, the staff, along with the administration team, had to overcome the challenge of continuing regular academic activities with limited resources. At a general meeting, I was assigned to initiate the lead in STEAM activities and upgrade the science laboratory. Selecting extracurricular projects was pivotal because I found that very few students in the school were interested in classical or analog projects. Consequently, to motivate interest in modern science and technology, we established a ‘Makers’ Club’. The annual projects selected were: the construction and installation of electric bell, execution of robotics design and designing a smart dustbin. Fifteen students initially enrolled in the ‘Makers’ Club’. In the ‘Maker’s Space’, we came to a mutual agreement with the students that all the members had to contribute two hours to the club every day after their regular class. 

These two hours of the school day are the most precious time for the students. They can explore a variety of engineering tools, through regular workshops where they are instructed in practical electronics, magnetism, wiring, working principle of switches, AC, DC, transformers, software coding, hardware and basic design principles, to name a few activities. Sometimes, the students became so enthused by their projects that we used to work for hours, even without sleeping. When all our annual projects were accomplished, after four months of hard work, we showed our finished products to the other students and we were able to attract more students to join the ‘Makers’ Club’. Now, at the altitude of 4100 m, in a remote mountainous region of Nepal, we have a self-made electric bell in operation; an inter-house robotic battle; and smart dustbins with software and hardware developed by the students. In our corner of the world, we are introducing modern science and technology to children in their regular learning environment, in a region where these scientific advances were unknown. 

Photo Credits: Rabin Thapa

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IAPS 2022-2023 jIAPS

Article of the Month – March 2023

Implications of Relativistic Effects on the Global Positioning System (GPS)

Raghav Sharma, BSc Physical Science with Electronics, University of Delhi

Abstract

Relativity has no obvious consequences in daily life, but one close look at the working of a GPS device is sufficient to highlight the enormous implications of relativistic effects on situations where velocity, gravity, and accuracy are involved. Clocks on a moving satellite do not appear to tick at the same intervals as clocks on Earth. This is especially problematic in high-accuracy systems like the GPS. Understanding the mathematical principles behind these effects allows for a derivation of precise offset values- adjustments that need to be made to satellite clocks to correct any time difference caused by relativity.

Introduction

The Global Positioning System (GPS) is a highly accurate, satellite-based positioning and navigation system.[1] To maintain that accuracy, time-dilating relativistic effects arising from both the general and special theory of relativity need to be taken into account. This is achieved by adjusting the rates of onboard satellite clocks and incorporating mathematical corrections. This article explores time dilation effects on GPS and describes some calculations and adjustments that are made to account for them. The correction for special relativistic time dilation is derived in detail.

  1. An Overview of Time-Dilation Effects

A handheld GPS receiver can determine the absolute position on the surface of the Earth to within 5 to 10 metres.[1] Achieving a navigational accuracy of 5 metres requires knowing the onboard GPS satellite time to an accuracy of about 17 nanoseconds, which is the time taken by light to travel 5 metres. Because satellites are constantly moving with respect to the Earth-centred (approximately inertial) frame and are further away from the Earth’s gravitational well, one must consider time dilation caused by both special and general relativistic effects. If these effects were left uncompensated, navigational errors would accumulate at a rate in excess of 10 kilometres per day, rendering the system unusable within about 2 minutes.[2] 

  1. Special Relativity

GPS Satellites are not geosynchronous because that would limit coverage. They have a time period of about 12 hours (so that any satellite passes over the same location each day) and a corresponding orbital velocity of about 3874 m/s relative to the centre of the Earth.[3]

According to the Special Theory of Relativity, moving clocks run slower.[2] The time dilation amount is determined by Lorentz transformations. The time measured on-board the satellite is reduced by the Lorentz factor γ:

where τ_{Ground} and τ_{GPS} are time intervals measured on the Earth’s surface and by the satellite clock, respectively.

The derivation of the time by which satellite clocks lag behind surface clocks, Δτ, is given below: 

Using binomial expansion for small values of (v/c):

Taking v=3874 m/s and c=2.998×108m/s:

 For a time-interval of 1 day (86,400s) on the Earth’s surface:

Therefore, GPS clocks lose about 7μs a day due to special relativistic time dilation.

  1. General Relativity

GPS satellites have an orbital altitude of 20,184 km measured from the surface.[3] According to the General Theory of Relativity, a clock in a gravitational field runs slower. This effect is given by:

Where τ_0 is the time interval measured near a mass (i.e., in a gravitational well), and is the time interval measured far away from the mass. 

For small values of (M/r):

The clocks on the Earth’s surface are a distance of R_Earth=6378.1 km from the gravitational centre, so the time dilation with respect to GPS satellites is twofold. It is stated without proof that due to general relativistic time dilation effects, clocks onboard the satellites gain about 45μs per day, with respect to ground-based clocks.[1]

  1. Error Correction

The combination of general and special relativistic time dilation means that GPS clocks gain about 38μs a day. As stated before, the desired accuracy can be as high as 17 nanoseconds. Thus, it is crucial to correct any time difference. 

A time offset of 38μs corresponds with a fractional change of +4.465×10^-10, i.e. the satellite clocks need to be slowed down by this fraction. The fundamental L-band frequency produced by the atomic clocks on-board is 10.23 MHz. This needs to be offset by the aforementioned fraction. Therefore, the actual frequency of the GPS clocks is set to 10.22999999543 MHz before launch.[3-4]

The variation in these changes due to the eccentricity (deviation from circularity) of the satellite orbit also needs to be taken care of. Built-in microcomputers used in GPS receivers help in any additional timing calculations required using satellite-provided data.[1]

Conclusion

Relativity dictates that clocks aboard GPS satellites do not tick at the same rate as those on the Earth. Both general and special relativistic time dilation effects are at play. Neglecting to adjust for these would render GPS useless in a few minutes. Correcting them involves giving the onboard atomic clocks a slight offset in frequency, so that they may appear to run at the same rate as ground-based clocks. This correction is one of many needed to maintain a navigational accuracy of up to a few metres.

References:

  1. Pogge, Richard W. (2017): Real-World Relativity: The GPS Navigation System
  2. Will, Clifford M.: Einstein’s Relativity and Everyday Life
  3. Nelson, Robert A. (1999): The Global Positioning System- A National Resource
  4. Oxley, Alan (2017): Uncertainties in GPS Positioning- A Mathematical Discourse, Pages 71-80

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Article of the Month IAPS 2022-2023 jIAPS

February 2023 – Another way to see the synchronization

Author: Andrea Arlette ESPAÑA-TINAJERO

Universidad Autónoma de San Luis Potosí, México

Aix-Marseille Université, France

When talking about the synchronization phenomenon, the most common thing is to think of biological events where it is possible to observe it with our own eyes, for example, when dozens of birds fly in the sky and form various patterns with choreographies that seem very well rehearsed. Also, some types of fish exhibit this type of behavior when swimming; it seems that they do it harmoniously and without colliding with each other [1]. 

In our case, we will think of the synchronization phenomenon in the following way: it will be a process in which a set of agents interacts, and by allowing a long enough period to pass, then all of them will have the same state, which we will call synchronized state. In the bird example, the synchronized state might be that they are all flying north, and in the fish example, that they are all swimming south.

With this concept of synchronization that has just been defined, we can now think of another type of phenomenon, in particular, the following: consider an empty, impermeable box, without a lid (to be able to observe what happens inside), in which we will pour a liquid (none in particular, we can think of water or oil), with a volume large enough to cover the entire surface of the box. Intuition tells us that when we finish pouring the liquid, each unit of surface area of the box will be the basis of the same volume of liquid. This would be the synchronized state, and this process is more commonly called diffusion.

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Figure One: Impermeable box, with markings on each area unit. Drops of different sizes and the place where the liquid is poured are shown, as well as the circular neighbourhood formed by pouring the liquid into the box.

The way in which the liquid fills the box is not a very surprising mechanism; that is, if the liquid begins to pour at a point, then a circular neighborhood around that point is expected to fill uniformly at the same time, until the entire area of the box is covered, and then, we will see how its volume increases, until the liquid runs out.

On the other hand, what happens if the box is not initially empty? Suppose that on the surface of the box there are drops of different volumes, and the liquid begins to pour at a point where there is no drop. Diffusion occurs as in the case of the empty box, but when the liquid interacts with a drop, then the circular neighborhood changes its shape to become a kind of deformed number 8, and so on with the drops that it finds in its path. What happens is a kind of agglutination phenomenon, that is, how one drop sticks to another, just before the area of the box fills up and begins to increase in volume until the liquid runs out.

So, for the case where there are drops, how could we describe the way the box is filled? First, we can identify that this phenomenon depends on some factors, the first, how many drops there are in the box at the beginning and what volume each of them has. You can even think of the effect if the box is not square or has holes inside it (without considering liquid losses, each of the holes would have a barrier that would prevent liquid loss).

Despite these new obstacles, the ways in which the synchronized state is reached are accurately described using mathematics, thanks to a new combinatorial approach. In this approach, the configurations of the droplets are encoded together with their volume and the total volume of the liquid. In this way, its route towards synchronization is fully determined [2].

The kind of mathematical objects that are used to describe and code the paths to synchronization are very simple to understand. They are called discrete increasing functions that go above the diagonal and below the constant. They take a list of length N, considering that in each place a number greater than or equal to the one on the left and less than the one on the right is placed. For example, when N=5, the diagonal is (1,2,3,4,5), the constant is (5,5,5,5,5) and two functions between them would be (2,2,3,4,5) and (2,2,4,4,5). These mathematical objects have been extensively studied; multiple characteristics and properties of them are known.

In physics, knowing how to use the tools provided by mathematics, which usually focus on calculus, differential equations, probability, and statistics, have allowed us to solve many problems in an elegant, useful, and educational way. In this case, using combinatorial and number theory tools allowed us to make an exact description of what happens before reaching synchronization, which in turn is a widely observed and studied phenomenon. No tool is left over, one day it could help us to graduate with a doctorate.

References:

  1. A. Pikovsky, M. Rosenblum, J. Kurths, Synchronization – a universal concept in nonlinear sciences, in: Cambridge Nonlinear Science Series, 2001.
  2. A. España, X. Leoncini, E. Ugalde, Combinatorics of the paths towards synchronization, 2022. doi:10.48550/ARXIV.2205.05948. URL: https://arxiv.org/abs/2205.05948

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Article of the Month IAPS 2022-2023 jIAPS

January 2023 – Social Physics

Author: Aikaterini Nikou, University of Edinburgh, UK

Happy New Year! This is the first article in an exciting new series. Every month we hope to showcase a scientific article written by an undergraduate or postgraduate physics student. Is there a topic you would like to write about? Just email your article to jiaps@iaps.info

(Word limit – 1000 words. For guidance on how to write an article, see http://iaps.ovh/wp-content/uploads/2019/01/How-to-write-an-article.pdf and http://iaps.ovh/wp-content/uploads/2022/04/jIAPS-Submission-Guidelines.pdf )

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Social Sciences; Let’s get… physical!

In the orbits of stars, in particle collisions, in chemical reactions, in vehicles’ machines… physics is everywhere. Notoriously, physics is also in human behaviours, human interactions, and social dynamics. Have you ever considered how elegantly physics could describe social phenomena?

Figure 1: Human behaviour forms patterns that can be described by mathematical models just like the laws of physics (from pixabay)

There is a particularly graceful beauty in the notion that social phenomena could be modelled, explained, analysed and predicted using mathematics in a way similar to physical phenomena. This could have a great spectrum of applications including economy (econophysics), pedagogy, tackling pandemics or even… dating. Social physics experiments conducted in the MIT media laboratory have investigated dating and found that it is possible to predict the outcome merely by analysing non-linguistic social signals such as the tone of voice [1]. A similar view could be used to analyse and predict other societal aspects including negotiating.

Social physics is a revolutionising topic in science; however, studying social phenomena through a scientific scope has existed for centuries. The English philosopher Thomas Hobbes mentioned this concept before the term Social Physics or Sociophysics was coined for the first time. He expressed the notion that social phenomena could be represented in terms of the laws of motion of physics and therefore explained through the lens of physics. In his book “De Corpore” (“On the Body”), he described the idea that the behaviour of “material bodies” can be expressed mathematically through the laws of motion invented by Galileo [2]. It seems almost natural to stop for a second and admire the beautiful diachronism of physics, as well as its interdisciplinarity in examining society from a scientific point of view.

Figure 2: Venn diagram showing the interdisciplinary of Social Physics, and its relationship with Physics, Mathematics, Social Science and Computer Science

Social Physics in Today’s Society

We live in a society where data collection is easier than ever, while there is a great number of datasets that are incredibly large and complex to analyse. Such datasets could be phone call records, web activity and credit card transactions. These datasets hold in their arms mathematical patterns that could reveal behavioural changes and patterns. Social physics can… deal with all – the so called “big-data”. It is a powerful tool that could be used for the blooming of our society. Evidently, data science is at the heart of social physics. Wonderfully, it can also help tackle world issues like the Covid-19 pandemic. A study showed that the multi-wave dynamics of Covid-19 outbreaks was dependent on the differences in responses to social stress [3].

A great benefit of social physics is that big data and exact mathematical tools can be applied in order to, in great accuracy, reflect on human behaviour as well as changes in it. It allows us to notice behavioural patterns and to therefore predict future social trends. These trends could include purchase preferences, shopping behaviour, communication behaviour, mobility or even Covid-19 cases spikes. These can then help us come up with more efficient plans to tackle climate change or urban development and traffic. It is worth noting that we could also observe and mathematically model connections between innovation and patterns of habits and communication which could greatly benefit the evolution of society. In other words, social physics can provide us with a way to more profoundly and accurately understand the mechanism of change of society. This could signal the birth of a new and innovative theory for society.

Social Physics and Machine Learning?

A question worth addressing is whether this analysis could be achieved using machine learning. Machine learning is a great tool for analysing mechanical and physical-driven data. For example, it can be invaluable in monitoring oil drill pumps control data and helping engineers prevent a possible malfunction. What about analysing financial transactions and therefore predicting customers’ preferences? Which type of customer would opt for a specific service for example? Social physics can help here as an appropriate tool for analysing human behaviour data. 

Social Physics and human development 

Moreover, social physics can also help in furthering our understanding of human development processes. Social physics has revealed a connection between the communication of a child and its brain development. The level of engagement (communication with people close to them such as parents or caretakers, inside of the red circle as seen in Fig.3) greatly affects the brain development of a child. Children that have a higher level of engagement and exploration (communication with people not in their close circle) have more developed brains and these children become more successful [4].

Figure 3: Patterns of Success. The inner of the red circle includes the “engagement”, anything outside comprises the “exploration” (from [4])

Conclusion

Recently, more and more social and societal phenomena are being studied through the lens of physics and mathematics. This interdisciplinary of social physics is particularly powerful. A great number of social physics studies have been conducted bringing to the surface revolutionising ideas, and so many more have yet to be conducted by the next generation of social physicists that could contribute to the blooming of our society. 

References

  1. Madan A, Caneel R.  Pentland A”S”. Voices of Attraction. MIT Media Laboratory Technical Note 2004 Sep; No. 584. Available from: https://dam-prod.media.mit.edu/x/files/tech-reports/TR-584.pdf
  2. Social Phyics/ Wikipedia [Internet]. Available from https://en.wikipedia.org/wiki/Social_physics 
  3. Kastalskiy AI, Pankratova VE, Mirkes ME, Kazantsev BV, Gorban NA. Social stress drives the multi-wave dynamics of COVID-19 outbreaks. Sci Rep. 2021 Nov18;11(1):22497. 
  4. MIT TEDxTalk [Intenet] Success through Social Physics Alex “Sandy”; 2014 Dec 13. Available from https://www.youtube.com/watch?v=C-wHdSJM_GI 
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IAPS 2022-2023

Have you seen jIAPS’ Advent Calendar 2022?

jIAPS has created an online Advent Calendar, featuring contributions from Physics students from over twenty countries across five continents. Find it at:

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IAPS 2022-2023

jIAPS Advent Calendar 2022

This year, we have created an online Advent Calendar, featuring contributions from Physics students from over twenty countries across five continents. We will be posting the Advent Calendar on our Instagram (@j.iaps, https://www.instagram.com/j.iaps/) each day in December.

Learn about festive traditions across the globe, create Physics-themed Christmas tree decorations and listen to music played by our own international music group of Physics students. With puzzles, and recipes to try, there is something for everyone.


jIAPS also organises a monthly photography competition. During December, the theme will be photos of the Festive Season. We would love to see your photos – just email us or tag us on social media. You don’t have to be a current physics student to enter. If you would like to learn more about jIAPS, please email us at jiaps@iaps.info.