548 search results for “black holes” in the Public website
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Got a question about science? Ask Leiden!
Due to its success, the Leiden2022 Q&A has been extended and is looking for even more thought-provoking, interesting or unusual questions.
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The launch of a new era: Leiden and the James Webb telescope (Part I)
After 25 years, this December will finally see the launch of the long-awaited James Webb space telescope (JWST). Leiden astronomers are watching with great excitement: not only were they involved in the construction of important instruments on board, but the telescope will also reveal many new secrets…
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FLAMINGO: dark matter, ordinary matter, and neutrinos in the biggest cosmological simulation ever
Not only dark matter, but also ordinary matter and dark energy are tracked in the largest ever cosmological computer simulation ever. In the FLAMINGO simulations, you can see virtual galaxies and clusters of galaxies emerging over the course of billions of years. This is no easy task: with more than…
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Five ERC Starting Grants for young Leiden University researchers
The European Research Council has awarded a Starting Grant to five early career scientists from Leiden University. They received funding up to 1.5 million euros to further expand on their research subject.
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LERU lobbies in Europe for fundamental research and innovation
LERU, the League of European Research Universities, celebrated its fifteenth anniversary on 7 March in Brussels. The network of leading European universities has now grown to include 23 universities.
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Ewine van Dishoeck after pontifical appointment: ‘Science and religion can coexist’
Pope Francis has appointed astronomer Ewine van Dishoeck to the Pontifical Academy of Sciences. She joins an illustrious list of Nobel Prize winners, such as Ernest Rutherford, Max Planck, Niels Bohr and Erwin Schrödinger. What is her view on this? An interview with our professor of Molecular astrop…
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Ronald Stark and Amina Helmi join the management of NOVA
The directorate of the Netherlands Research School for Astronomy (NOVA) has two new members. Ronald Stark (currently at NWO) will be the new Executive Director of NOVA from 1 September. Amina Helmi (Professor of Dynamics, structure and formation of the Milky Way at the University of Groningen) will…
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Vici grants for seven researchers from Leiden University
From research on stellar winds to sign language: an impressive seven researchers from Leiden University will receive a prestigious Vici grant from the Dutch Research Council (NWO).
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New generation galaxy formation simulations on the horizon – Evgenii Chaikin received his doctorate with honours
Simulations of galaxy formation provide much more information about galaxies than a telescope. Simulations have been improving significantly in recent years. Astronomer Evgenii Chaikin made such a significant contribution to this field that he graduated with honours on February 27th.
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Computational modeling of angiogenesis: from matrix invasion to lumen formation
Promotor: Roeland M.H. Merks
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Yě yě yě - on the syntax and semantics of Mandarin yě
Zhaole Yang defended his thesis on 25 June 2020.
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Theorie van fermion-pariteit-omkeringen in supergeleiders
Majorana meets a mermaid
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Adiabatic Energy Loss in Hyperthermal H Atom Collisions with Cu and Au: A Basis for Testing the Importance of Nonadiabatic Energy Loss
Nonadiabatic energy transfer from the translational motion (T) of a molecule impinging on metal surface to the metal’s electrons may determine whether the molecule can lose enough energy to adsorb or react.
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The symmetry of crystals and the topology of electrons
Promotor: J. Zaanen, Co-Promotor: V. Juricic
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Heating and cooling in an energy efficient way
Over time, the temperature in all buildings will be regulated in a sustainable manner. In this way, using gas will not be necessary anymore.
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On transport properties of Majorana fermions in superconductors: free & interacting
Majorana fermions in superconductors are the subgap quasiparticle excitations that are their own antiparticles.
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On electronic signatures of topological superconductivity
Promotor: Prof.dr. C.W.J. Beenakker
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Escher and the Droste effect
Artful Mathematics: The Heritage of M. C. Escher
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In memoriam Jan Zaanen 1957-2024: The universe in a speck of rusting copper
This Thursday, January 18th 2024, our esteemed colleague Jan Zaanen passed away. Jan was one of our star scientists, larger than life, with an unabashed, boisterous drive for the best of physics at the Institute Lorentz, at the Leiden Institute of Physics and in the full international scientific community.…
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About this minor
Everything you need to know about the minor Cultural Memory of War and Conflict.
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Dutch Atlantic Connections, 1680-1800: Linking Empires, Bridging Borders
In 'Dutch Atlantic Connections, 1680-1800', Gert Oostindie and Jessica V. Roitman, both of the Royal Netherlands Institute of Southeast Asian and Caribbean Studies (KITLV) and also affiliated with the History Institute of Leiden University, assemble an internationally acclaimed selection of authors,…
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Optimally weighted ensembles of surrogate models for sequential parameter optimization
It is a common technique in global optimization with expensive black-box functions to learn a surrogate-model of the response function from past evaluations and use it to decide on the location of future evaluations.
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Accountable Artificial Intelligence: Holding Algorithms to Account
Artificial intelligence algorithms govern in subtle, yet fundamental ways, the way we live and are transforming our societies. The promise of efficient, low‐cost or ‘neutral’ solutions harnessing the potential of big data has led public bodies to adopt algorithmic systems in the provision of public…
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Graduate School of Humanities
Welcome to the Graduate School of the Faculty of Humanities.
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The Revolution That Failed: Reconstruction in Natchitoches
The chaotic years after the Civil War are often seen as a time of uniquely American idealism—a revolutionary attempt to rebuild the nation that paved the way for the civil rights movement of the twentieth century. But Adam Fairclough rejects this prevailing view, challenging prominent historians such…
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Towards an effective biodiversity conservation and governance in the Pontocaspian region
Freshwater and brackish water ecosystems are arguably the most vulnerable ecosystems on earth, due to concentrated human developments in and around them. The Pontocaspian (PC) region located at the border of Europe and Asia contains a variety of brackish water ecosystems and unique inhabitants, known…
- Meet our staff
- Meet our staff
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Thamyris / Intersecting
The mission of Thamyris/Intersecting is to rigorously bring into encounter the crucial insights of black and ethnic studies, gender studies, and queer studies, and facilitate dialogue and confrontations between them.
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Moved by the tears of others: emotion networking in the heritage sphere
There is no heritage without emotional sharing and clashing. This article explores the involvement of divergent emotions in heritage making by discussing the debate series of Imagine IC and the Reinwardt Academy and zooming in on the commemoration of slavery and imagery of ‘Black Pete’ in the Netherlands.…
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Landscapes of Survival
Pastoralist Societies, Rock Art and Literacy in Jordan’s Black Desert (200 BC to 800 AD)
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Online library
Immerse yourself: read books, listen to podcasts and watch films about racism, discrimination and the colonial past.
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Offer help
Would you like to do something for the victims of the war in Ukraine? Several actions have been set up to help the people in Ukraine. Read below what you can do.
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Martin van Exter Lab - Quantum Optics and Light-Matter Interaction
Research in the van Exter lab focuses on quantum aspects of light and light-matter interaction. One of our long-term goals is to develop a reliable quantum memory, based on a single emitter in an open micro cavity.
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Topics in the arithmetic of del Pezzo and K3 surfaces
Promotores: P. Stevenhagen, L. van Geemen (Università degli studi di Milano), Co-Supervisor: Ronald M. van Luijk
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Nanoparticle – redox protein biohybrids
Artificial photosynthesis aims to produce fuels from solar energy using chemical processes. In semi-artificial photosynthesis, a hybrid approach is taken using both chemical and biotechnology approaches. We aim to develop hybrid systems between light-harvesting nanoparticles and redox-enzymes (oxidoreductases)…
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Institute for History
The Leiden University Institute for History is responsible for the main part of the historical research carried out at Leiden University. The institute has a wide-ranging academic scope.
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Cities, Migration and Global Interdependence 1500 - Now
The key subject of the research programme Cities, Migration and Global Interdependence 1500 - Now (CMGI) is Inequality (at local, national and global levels).
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Latin America and the UN
Subproject of the ERC project 'Challenging the Liberal World Order from Within: The Invisible History of the United Nations and the Global South'.
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SAILS Lunch Time Seminar: Rodrigo Ochigame
Lecture
- YAL Interfaculty Lunch: Art & Science - Visit to Rijksmuseum Boerhaave
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The δ-machine: A new competitive and interpretable classifier based on dissimilarities
Does the δ-machine have higher accuracy than the other feature-based classifiers in some conditions?
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Leiden Slavery Studies Association
The Leiden Slavery Studies Association (LSSA) is dedicated to promoting a greater understanding of slavery and post-slavery in any period and any geographical region.
- Publications
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A Sense of the Past
Studies in current archaeological applications of remote sensing and non-invasive prospection methods edited by Hans Kamermans, Martin Gojda and Axel G.
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E-Resources and Bibliographies
An overview of Academic E-Resources and Bibliographies
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Leiden University launches Data Science research programme
Leiden University is investing 4 million euros in a new Data Science research programme. This is a joint initiative of all the faculties, headed by Dean Geert de Snoo at the Faculty of Science. The programme will focus on Leiden scientific data.
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Leiden University celebrates 444th birthday with residents of Leiden and The Hague
Leiden University celebrated its 444th anniversary with a historical procession on 8 February. It celebrated this year’s Dies Natalis in time-honoured fashion with a ceremony in the Pieterskerk, but broke with tradition by sending professors out to primary schools.
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Guide for prospective students
If you are interested in studying stochastics, the following information will help you to choose the right path.
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Experiment Square
Are you the scientist of the future? Come experiment with science at the Experiments Square! Make your own slime, discover how rubber can count, play along with the antibiotics game, discover the power of light and much more!