420 search results for “dark matter” in the Public website
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Playing dice with the Universe
The ultimate goal of cosmologists is to find a cosmological model able to explain the current observational data.
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Astronomy (BSc)
During the bachelor’s programme Astronomy you will immerse yourself in questions about our universe. Questions such as: ‘what happens in a black hole?’ and ‘what is dark matter?’ In doing so you will learn to apply mathematics and physics to astronomical problems and you will work with computer simulations…
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Dirk Bouwmeester
Science
bouwmeester@physics.leidenuniv.nl | +31 71 527 5892
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Probing Gravity at Cosmic Scales
The theoretical explanation of cosmic acceleration is nowadays one of the biggest puzzles in cosmology.
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Exploring the Universe
Astronomers want to understand the Universe, from the Big Bang to the present day, and what the future will hold. In Leiden they focus on two key questions: ‘How did stars and planets originate’ and ‘How were galaxies and black holes formed in the young Universe?’ A new generation of telescopes – just…
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responses to online peer conflict: How self‐evaluation and ethnicity matter
In online games conflicts between players may arise. Novin, Bos, Stevenson and Rieffe investigated factors that may explain why some adolescents react more angrily than others in this type of situation. In their realistically designed gaming environment, the (pre-programmed) fellow player suddenly started…
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Question of Conversion”: Internships in Work Package 3B of Pressing Matter
Pressing Matter: Ownership, Value and the Question of Colonial Heritage in Museums is a large-scale research project funded through the Dutch National Research Agenda, and led by Wayne Modest and Susan Legêne (Vrije Universiteit). Work Package 3 on “Value” phrases its main research question as follows:…
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Fairness matters when responding to disasters: An experimental study of government legitimacy
This article by Honorata Mazepus and Florian van Leeuwen in the journal Governance: An International Journal of Policy, Administration and Institutions looks at how evaluations of authorities were influenced by four aspects of a governmental response to a hypothetical disaster.
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analytical approaches for protein aggregates and other particulate matter impurities
Developing robust and comprehensive analytical methods to size and quantify subvisible particles in biopharmaceutical products.
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Matter into context: population- and community-level impacts of nanomaterials in freshwater ecosystems
The application of nanomaterials in industrial processes and consumer products provides many societal benefits, but can also lead to the release of nanomaterials into the environment. The work in this dissertation aims to provide insights into the potential environmental impacts that may follow from…
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Afraid of the dark? Anke Klein: 'Let your child have a say in finding a solution'
On Sunday night 25 September, all the lights in Leiden will switch off and we will see the starry sky above us twinkling in all its glory. A unique opportunity for all residents of Leiden to experience the vastness of the cosmos and view the impressive artwork that hangs over our heads every night.…
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Social Science Matters: Housing
Students, first-time buyers, parents with stay-at-home children, migrants in need of a house; the problems in the housing market affect many layers within the society. The lack of housing is a growing problem. How does this affect our behaviour and the way we think about 'living' ? What are the consequences…
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Dirk-Jan Kok
Science
d.d.kok@cml.leidenuniv.nl | +31 71 527 2727
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Michel Orrit
Science
orrit@physics.leidenuniv.nl | +31 71 527 2727
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Social Science Matters: Wokeism
Minister of Justice Dilan Yeşilgöz-Zegerius recently warned against
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Leiden discoveries
From the Big Bang to superconductivity. Many ground-breaking discoveries have been made in Leiden University’s long history.
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COMMUNITY: unraveling the regulatory networks in Streptomyces that switch on antibiotic production on demand
Through his project we will unravel the global regulatory networks that control gene expression in Streptomyces bacteria and allow them to properly respond to major changes in the environment; we will then harness this knowledge to activate and identify novel antibiotics
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Research in Physics, Cosmology (MSc)
The master’s specialisation Cosmology at Leiden University is positioned at the interface between Theoretical Physics and Observational Astronomy. The main elements are theory, data analysis and numerical simulations, with research on the origin of dark matter as one of the highlights.
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for good mental health during adolescence: Emotional Intelligence matters
In a longitudinal study, Eichengreen and colleagues explored how the certain aspects of emotional intelligence impact the development of adolescents’ mental health, thus identifying potential warning signs and targets for intervention programs. Despite a higher risk for mental health issues and lesser…
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Social Science Matters: Out-of-home placement
...What does seem clear, though, is that there is a great deal of room for improvement in the process of out-of-home placement. The FSW's social and behavioural scientists give their views.
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Social Science Matters: Open Science
On 20 September 2019, the opening drinks for the Open Science Community Leiden will be held at the Faculty of Social and Behavioural Sciences. Open science is the approach to science aimed at making scientific research accessible, reproducible, and freely available to people within and outside the academic…
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Social Science Matters: Online privacy
In our digital society, the internet seems to offer endless possibilities for expressing yourself, gathering information, and making contact with others. The anonymity of the internet seems to give us the freedom to come and go as we please. But what about our online privacy? Should it be dealt with…
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Leiden astronomers explain the universe in educational videos
A stretchy sheet over a bowl representing space, a marble on it's surface creating a dimple, deforming space. Simple classroom experiments like these are featured in new educational videos by AstroEDU. In the videos Leiden astronomers Maria Cristina Fortuna and Henk Hoekstra explain what we know of…
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Social Science Matters: Climate change
Climate change is a hot topic and constantly in the news. Thousands of Dutch high school students protested at the Malieveld in The Hague. News website Nu.nl has barred climate change deniers from their comments section to prevent ‘fake news’. How does climate change impact the research community, and…
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Social Science Matters: Confidence in the future?
After a long period of formation, the Rutte III cabinet presented itself on 26 October 2017. The coalition agreement on which ministers will build is called ‘Vertrouwen in de toekomst’ ('Confidence in the future'). But what impact will this new cabinet have on our future? We asked our researchers in…
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Social Science Matters: The surveillance society
Those who know their dystopian classics will inevitably associate the concept of surveillance society with the all-knowing oppressive force characterized as Big Brother in George Orwell’s novel 1984. However, surveillance permeats our society in many more subtle aspects than our worst fears about spy…
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Social Science Matters: The stressed society
Stress, burnout, depression – these conditions pervade all levels of our society. Children and students suffer from constant pressure to achieve; at the international level, tensions lead to short-sighted actions; and, at the personal level, stress affects our health and social environment. How do our…
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Periphery Matters: A Cultural Biography of Peking Opera in Hong Kong
Pui Lun Chan defended his thesis on 12 September 2017
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Gravitational waves through the cosmic web
The first direct detection of gravitational waves opened the possibility of mapping the Universe via this new and independent messenger.
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Social Science Matters: scientist about voting behaviour
How do people vote? How rational are voting choices? How much do external factor weigh in? In this article social scientis provide some background.
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About us
Leiden Observatory is the astronomical institute of the Faculty of Science of Leiden University.
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Graduiertenkolleg 'Family Matters' (München)
A new Graduiertenkolleg opens at the LMU.
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Black holes with ‘dreadlocks’ offer insight into quantum matter
Physicists understand little about quantum matter, which is a building block of future quantum computers. Theorists have now discovered that black holes with ‘dreadlocks’ harbor a similarly exotic order pattern, which makes calculations on quantum matter easier. Publication in Physical Review Letter…
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Tjerk Oosterkamp Lab - Microscopy and Quantum Mechanics at milliKelvin temperatures
We explore the possibilities to combine magnetic resonance techniques with atomic force microscopy together in a single microscope: the MRI-AFM, also called Magnetic Resonance Force Microscopy (MRFM).
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EuroScience Open Forum
In July 2022, Leiden hosted the ESOF conference.
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Leiden Observatory
With each discovery that is made, the universe reveals a fraction of its secrets: the most distant galaxies and quasars, the atmosphere of exoplanets, evidence of dark matter, complex molecules in space. This is what fills the days and nights of the researchers from the Leiden Observatory and their…
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Research Projects, Categories and Supervisors
These are the proposed research projects for LEAPS 2019. Please note that not all projects will go ahead and some may still be added in the near future. Final funding decisions lie with the Faculty sponsors. And please make a note that if you are interested in an ESA project, to check if your state…
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Why fundamental science matters
Why do we need fundamental science? For a lot of reasons, speakers showed at the Lustrum Symposium ‘Science Matters’. This symposium was held on 18 March 2016 to celebrate the 200th anniversary of the Faculty of Science.
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Family matters
Brothers and sisters within a family, with the same parents, experience their upbringing differently. As well as the impact of their own negative experiences, the way siblings experience their upbringing also plays an important role in anxiety and depression. This is the conclusion reached by Marie-Louise…
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Social Science Matters: How useful is deprivation of liberty?
A new bill is currently under debate in the Netherlands, advocating raising the prison sentence for manslaughter from 15 to 25 years. ‘This very serious crime (...) evokes feelings of disgust and insecurity in society’, Dutch Minister for Justice and Security Grapperhaus comments on the sentence that…
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Controlling active matter with curvature
Nematic liquid crystals form the key ingredients of most tv screens. The active version of these complex fluids forms a useful model for physicists to research the responses of active matter—like bacteria or traffic flows—to mechanical and geometrical cues. An international research team publishes their…
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Social Science Matters: The (non)sense of conspiracy theories
Climate change is made up, the secret services murdered Pim Fortuyn and JFK, and the moon landing was a fake show. Conspiracy theories are of all times, providing sensation and entertainment, but also unrest and fear. The corona pandemic is new fuel for conspiracy theorists who set fire to 5G masts,…
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Michiel Hogerheijde
Science
michiel@strw.leidenuniv.nl | +31 71 527 5590
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Felix Frohnert
Science
f.frohnert@liacs.leidenuniv.nl | +31 71 527 2727
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Havar Solheim
Faculty of Humanities
h.a.s.solheim@hum.leidenuniv.nl | +31 71 527 5342
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On topological properties of massless fermions in a magnetic field
Make more fluid: In condensed matter systems, electrons can acquire unusual properties from their interaction with the atomic lattice.
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On shape and elasticity: bio-sheets, curved crystals, and odd droplets
Because thin systems can deform along the thickness with relative ease, the interplay between surface mechanics and geometry plays a fundamental role in sculpting their three-dimensional shape.
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Seminar with Religious Matters team in Leiden
On Monday 13 September, the Food Citizens? team and the Religious Matters In an Entangled World team from Utrecht University met in Leiden University’s historic 12th century building, Gravensteen.
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Writing the Earth, Darkly: Globalization, Ecocriticism, and Desire
References to nature and the environment in the Caribbean literary and the contemporary age of globalization.
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Social Science Matters: How should we discuss terrorism in our schools?
As schools in the U.S., students have to enter through security gates; schools in Belgium were forced to remain closed for several days after the attacks there; and even in the Netherlands various bomb scares have led to children having to stay at home. And yet fear of terrorism remains a difficult…