642 search results for “dark matter” in the Public website
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Can humans observe a single particle of light? (And what does that say about our brain?)
Hoping to learn something about the human brain, Leiden researchers are creating a setup to shoot single photons, particles of light, into someone’s eye. ‘The eye is a passageway to the brain.’
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Simone van der Hof in online talk show about Behavioral Design in Video Games
On 7 October 2021 Simone van der Hof participated in an online talk show as part of the Dutch Media Week. The theme was the research project she is working on with Tony van Rooij of the Trimbos Institute and Max Birk of TU Eindhoven: Behavioral Design in Video Games.
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Blog Post | Colouring Diplomacy through Feminist and Pro-Gender Bodies and Foreign Policies
In the past months the COVID-19 pandemic has made the world become more reliant on digital communication and social media. As virtual spectators of diplomacy during these times, it is not difficult to notice that diplomacy is more colourful nowadays.
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Text Matter: The Material and Political Lives of Javanese Manuscripts
Lecture, LIAS Lunch Talk Series
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And the winner is… Results of the annual physics image competition
Salt crystals, a nano-sized golf stick and molten glass. The LION Image Award competition of 2023 yielded a lot of beautiful images once again. But in the end, only one can be the winner.
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Why do birds flock? Shedding light on collective motions in heterogeneous populations
Leiden physicists Alexandre Morin and Samadarshi Maity study self-organisation and flocking phenomena. They shed light on flocking, which helps to understand how it is possible that birds in a flock don't collide. With plastic microbeads, they create an experimental setup and they developed a mathematical…
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‘Flocking birds, marching penguins and the marvelous physics of active matter' 24 August
Lecture
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Physics in the picture: cancer cells as an explosion of fireworks
When you think of physics, do you think only of complicated formulas? You’re not the only one. Therefore, every year, the Leiden Insitute of Physics organises the LION Image Award to show another side of physics: beautiful images about intriguing science. The winner of the 2022 photo competition captured…
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How to attract stargazing tourists? Leiden Observatory launches a new manual for astrotourism
How to create an unforgettable astronomy experience for tourists? And how to create fun activities that also have scientific and educational value? The Astronomy & Society Group at Leiden Observatory has translated a manual that answers those questions. The Observatory’s public engagement team hopes…
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Applications of AdS/CFT to strongly correlated matter: from numerics to experiments
PhD defence
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Shahrizor Survey Project
Reconstructing Later Prehistoric Societies in Northern Iraq (ca. 7000-3000 BCE)
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One-way traffic for motion in new material
Scientists have developed a material that breaks one of the fundamental principles governing many physical systems. Ordinary materials transmit external forces equally, no matter where the pressure comes from. The newly developed material breaks this rule and could potentially be of interest in soft-robotics…
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When religion did not(?) matter in the Balkans: confessionalization in early modern Southeastern Europe
Lecture
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Physicist Michel Orrit new member KNAW
The Royal Netherlands Academy of Arts and Sciences (KNAW) selects prominent researchers as members based on their scientific achievements. On September 17th, the KNAW will install 21 new members, including Leiden physicist Michel Orrit.
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How cool is LEGO®? Leiden physicists use it for ice cold research
Tjerk Oosterkamp's group is conducting what is perhaps the coldest research in the world. The researchers have cooled a sensor to below 2 millikelvin - almost as cold as absolute zero. This allows them to make extremely sensitive measurements. PhD candidate Jaimy Plugge helped build the setup: ‘We are…
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Self-folding metamaterial
The more complex the object, the harder it is to fold up. Space satellites often need many small motors to fold up an instrument, and people have difficulty simply folding up a roadmap. Physicists from Leiden and Amsterdam have now designed a structure that folds itself up in several steps. Publication…
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Elastic Leidenfrost Effect enables soft engines
Water droplets float in a hot pan because of the so-called Leidenfrost effect. Now physicists have discovered a variation: the Elastic Leidenfrost effect. It explains why hydrogel balls jump around on a hot plate making high pitched sounds. Publication in Nature Physics on July 24.
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What do PAHs do in space?
Xander Tielens, Professor of Physics and Chemistry of the Interstellar Space, has been awarded an ERC Advanced Grant to study polycyclic aromatic hydrocarbons (PAHs) in space. The combination of astronomical observations, computer models and lab research makes the research highly interdisciplinary.
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Three Times Aart Strootman
In the next few days several compositions by Aart Strootman (guitarist, instrument builder, composer, teacher and ACPA PhD) will premiere at Festival Classique and Festival Gaudeamus.
- 'Sound Matters': An exploratory Workshop into Sound and Digital Humanities
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Context matters: Law society relations in water governance in Laos and Myanmar
VVI Research Meetings 2023-2024
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Matter into context - Population- and community-level impacts of nanomaterials in freshwater ecosystems
PhD defence
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Cosmic tomography with weak gravitational lensing
PhD defence
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Predrinks Oort lecture
Alumni event
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Sjoert van Velzen receives Vidi grant to solve 'riddles from the universe'
Minuscule elementary particles from space colliding with Earth can give us an insight into the distant objects they come from. But first, you need to know how to catch them. With a Vidi grant from NWO, researcher Sjoert van Velzen will 'hunt' for neutrinos coming from exploding black holes.
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A Matter of Speech: Language of Social Interdependency in the Early Islamicate Empire (600-1500)
Conference
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In pictures: the Night of Discoveries
Over 4,000 visitors came to the seventh edition of the Night of Discoveries, a festival of knowledge and culture, on Saturday 21 September. On this the last summer evening of the year, the festival-goers were treated to over 170 acts on the theme of light and dark, making it a vibrant, busy, educational…
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Youtube star Ed Copeland gives Colloquium Ehrenfestii
On Wednesday February 7th, Professor Ed Copeland from the University of Nottingham will give the Colloquium Ehrenfestii.
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Leiden astronomers find building blocks for life in the darkest spots of star-forming cloud
An international team led by Leiden astronomers has discovered diverse ices in the darkest, coldest regions of a molecular cloud. To do so, they used the James Webb Space Telescope. This discovery allows astronomers to examine the simple icy molecules that will be incorporated into future exoplanets,…
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What's inside a giant planet? Yamila Miguel will find out with an ERC Consolidator Grant
Discovering what is inside giant planets and their atmosphere, that is one of the goals of astronomer Yamila Miguel. With an ERC Consolidator Grant of 2 million euro, she will study giant planets both inside and outside our solar system. ‘We want to know more about how planetary systems are born, how…
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Physical reality of string theory demonstrated
String theory has come under fire in recent years. Promises have been made that have not been lived up to. Leiden theoretical physicists have now for the first time used string theory to describe a physical phenomenon. Their discovery has been reported this week in 'Science'.
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Astrophotography for beginners
Last week was the opening of SNAP! The night sky through a Leidener’s lens. The exhibition, located in a library in the Stevenshof, shows how astrophotographers capture the universe from their backyards. Turns out, this does not have to be that difficult: your mobile phone camera will get you a long…
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Cities in the Greek World
Whereas when we started the first Project the chief aim was pure research, to find out more about the past in a region, now we see that the countries of Europe are faced with the great problem that there are far too many archaeological sites for them to deal with by excavation, but yet some kind of…
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Centre for Art, Literature and Law (CALL)
The center studies the many ways in which issues of law and justice are dealt with in art and literature with a focus on liminal issues and cases. These are issues and cases where law comes to the limits of what it is capable of dealing with and art and literature explore the implications of what is…
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Deep imaging
A computer can look at, and learn from, many more images than a human specialist. AI systems are rapidly becoming indispensable for medical and biological applications. But they still have to learn how to explain their decisions.
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Data Science
The majority of scientists, from archaeologists through to zoologists, collect huge volumes of data. Their massive databases contain large amounts of information which is difficult for humans to filter. With a solid grounding in statistics, we can develop algorithms for analysing and identifying patterns…
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Our facilities
In support of the research and education, the Leiden Institute of Advanced Computer Science (LIACS) has a Research and Education laboratory at its disposal. Within this environment, we can offer machines that go beyond normal office automisation and production.
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Human Trafficking
Human trafficking is a very topical social problem, which because of both its social and legal complexity, can only be studied in an interdisciplinary way. Combating human trafficking currently features high on national and international policy agendas.
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Sustainable international trade
The relationship between States and foreign corporations are regulated by international economic law and international investment law in particular. Any disputes between States and foreign corporations must therefore also be solved by reference to this body of public international law, for example when…
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Performative Photography (mix of photography & art performance)
Arts and leisure, Arts and leisure
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Archaeology of the Mediterranean
In the master’s programme in Archaeology, you can follow courses on the archaeology of the Mediterranean, deepening your understanding of this fascinating region. From the many faces of ‘Hellenism’ to the early rise of the Roman Republic, to the voyages of European Crusaders in medieval times. The archaeology…
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English Language and Culture (BA)
From Great-Britain to the United States and from Australia to South Africa: people around the whole world speak and write English. In Leiden you will broaden your knowledge of the English language and the rich Literature and culture of the global English world on academic level.
- LSWK lecture: Black holes as quantum computers and the strange matter of high-temperature super conduction
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Michel Orrit and Hermen Overkleeft members KNAW
The Royal Netherlands Academy of Arts and Sciences (KNAW) selects prominent researchers as members based on their scientific achievements. On September 17th, the KNAW will install 21 new members, including Leiden physicist Michel Orrit and chemist Hermen Overkleeft.
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A first in the lab: a tiny network that is both strong and flexible
Daniela Kraft's group has succeeded in creating a network of microparticles that is both strong and completely flexible. This may sound simple, yet they are the first in the world to succeed in doing so. A real breakthrough in soft matter physics.
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Major upgrade for undersea neutrino detector
Building the neutrino detector KM3NeT on the Mediterranean Sea floor has picked up pace. Five detection lines, each carrying eighteen detectors, have been sunk and installed, and the first measurement data are coming in, says neutrino physicist Dorothea Samtleben.
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Withstanding the cold: energy feedback in simulations of galaxies that include a cold interstellar medium
PhD defence
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EuroScience Open Forum Leiden
Conference, ESOF Conference
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Playing dice with the Universe
PhD defence
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How metastatic tumours manipulate their environment
Tumours act like mini-organs, manipulating their environment and using bodily processes to survive and metastasise. Through research by Erik Danen and his colleagues, we are learning more about the complex nature of tumour cells. In the Dutch newspaper NRC, the scientists discuss their findings.