232 search results for “c geert and p knight introductory quantum optics” in the Staff website
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Sign up for the upgrade of your laptop to Windows 11
ICT, Organisation
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In Memoriam - Professor Bert Peletier
On December 16, 2023, our respected and beloved former colleague prof.dr.ir. Bert Peletier passed away.
- Job opening: Student Representative Institute Board CADS
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TimeEdit Curriculum: new curriculum management system
Education
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Tjerk Kroes appointed as new member of Board of Governors
Leiden University’s Board of Governors is pleased to announce the appointment of Tjerk Kroes to the Board of Governors by the outgoing Minister of Education, Culture and Science, Gouke Moes.
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Astronomers spot benzene in planet-forming disk around star for first time
An international team of astronomers including Leiden professor Ewine van Dishoeck has observed the benzene molecule (C6H6) in a planet-forming disk around a young star for the first time. The observations tell us more about the forming of planets in this disc, like our own Earth. The scientists publish…
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Tuesday Talk - Microscopy reinvented: peeking into living worlds
Lecture, Tuesday Talk
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Jasper's Day
Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.
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Gijsbert Rutten new professor of Dutch Linguistics
Gijsbert Rutten has been appointed professor of Dutch Linguistics with effect from 1 July. In this position, he will focus on language change and language variation, with a particular emphasis on historical sociolinguistics.
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Greedy black hole feeds via two spiral arms
The supermassive black hole at the center of the Circinus galaxy is being fed with gas by two spiral arms. This is what PhD candidate Wout Goesaert discovered. But only a small percentage disappears into the black hole, the rest is ejected.
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Accidental double zoom reveals millimetre waves around supermassive black hole
An international team of astronomers led by Matus Rybak (Leiden University) has proven, thanks to accidental double zoom, that millimetre radiation is generated close to the core of a supermassive black hole. Their findings have been accepted for publication in the journal Astronomy & Astrophysics.
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Scientists discover the largest stellar black hole in the Milky Way
A European team of astronomers has discovered the largest stellar black hole in the Milky Way. It is more than thirty times as massive as our sun and is located in the constellation of Aquila, about two thousand light-years from Earth. The astronomers stumbled upon the black hole by chance while preparing…
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Legal Tech Challenge: Students harness technology to improve access to justice
On 20 March, the final of the Legal Tech Challenge 2025 took place at Leiden University. After weeks of collaboration, brainstorming sessions and workshops on legal accessibility, five student teams presented their innovative legal apps to a jury.
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New publication reviews Dutch colonial sources on the Indigenous Brazilian Tapuia people
New publication reviews Dutch colonial sources on the Indigenous Brazilian Tapuia people: ‘For them the Dutch were another piece on the political chess board’
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Leiden technology research receives funding from NWO and businesses
A CT scanner to treat eye cancer, energy-efficient software for the future and a test to identify male chick eggs. Three projects by researchers from Leiden University are to receive funding from research funder NWO’s Open Technology programme, to which the business sector also contributes.
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In the Making #7: { Dis, A } - Pearing
Arts and culture
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Protoplanetary discs are much smaller than previously thought
Many protoplanetary discs in which new planets are formed are much smaller than thought. Using the Atacama Large Millimeter/submillimeter Array (ALMA) scientists of the Leiden Observatory looked at 73 protoplanetary discs in the Lupus region.
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Astronomers Discover Ancient Solitary Quasars with Mysterious Origins
An international team of astronomers, including Leiden PhD student Elia Pizzati, has observed several ancient quasars that, surprisingly, appear to be floating alone in the early universe (less than a billion years after the Big Bang). Until now, astronomers, based on models, assumed that quasars are…
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Leiden Classics: The Leiden Observatory, the world’s oldest university observatory
Whether finding signals of dark matter or discovering hydrogen in the vicinity of exoplanets, Leiden astronomers are world players in their field, and they are part of a long tradition: Leiden was the first university in the world to have its own observatory.
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Jasper's day
Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.
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In memoriam Harold V.J. Linnartz 1965 – 2023: Unlocking the Chemistry of the Heavens
With great sadness we share the news that Prof. Harold Linnartz passed away suddenly and unexpectedly on Sunday 31 December 2023. We are all in shock, and our thoughts are with his wife and children, other family, and friends. Harold was at the heart of our institute, as a researcher, as a supervisor,…
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Wisselwerking tussen commuun en bijzonder materieel strafrecht
PhD defence
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Household Robots : Training Datasets & the Politics of Categories
Lecture, Film Screening + Q&A
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Opinion Diversity through Hybrid Intelligence
PhD defence
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Digging through data: the rise and fall of a Miocene mammal biodiversity hotspot in the Vallès-Penedès (Catalonia, Spain)
PhD defence
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Ideología y clivajes partidarios en la conformación del socialismo como expresión política en Chile (1891-1938)
PhD defence
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Capital humano femenino en la minería chilena: asociaciones público- privadas, responsabilidad social empresarial y género
PhD defence
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Unraveling the drivers of antimicrobial pharmacokinetic variability in individuals with obesity and hospitalized patients with multimorbidity
PhD defence
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Metabolomics Insights into the Gut Microbiome and Infants with Cow’s Milk Allergy
PhD defence
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Empirical Analysis of Social Insurance
PhD defence
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Towards a universal law governing the international civil service?
PhD defence
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Hybrid Josephson junctions and their qubit applications
PhD defence
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How to make an old antibiotic a hundred times more potent
Nathaniel Martin, Professor of Biological chemistry, wondered what would happen if you take an antibiotic that has been known for 70 years and try to improve it with the latest tools of modern chemistry. Turns out it can become up to a hundred times more potent and prevent the growth of some drug-resistant…
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Scientific breakthrough: evidence that Neanderthals hunted giant elephants
Neanderthals were able to outwit straight-tusked elephants, the largest land mammals of the past few million years. Leiden professor Wil Roebroeks has published an article about this together with his German colleague Sabine Gaudzinski-Windheuser in the Science Advances journal.
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Leiden biologists find nanoplastics in developing heart
Nanoplastics can accumulate in developing hearts, according to a study by biologist Meiru Wang from Leiden University. Her research on chicken embryos sheds new light on how these tiny plastic particles pose a threat to our health.
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Reunionists of Leiden Historical Debating Society celebrate 65th anniversary: 'We are more alive than ever'
Friday 4 November marked the 65th anniversary of the founding of Leiden’s P.C. Hooft Historical Debating Society. Although new members have not been accepted for several decades, the society is still alive and kicking. A retrospective with former presidents Jos Hooghuis and Saskia Leupen.
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Young Medical Delta Symposium: Accessibility to and through MedTech
Conference
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Environmental assessment and guidance for the future development of offshore wind energy
PhD defence
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Dosing considerations for preterm neonates
PhD defence
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Genomics applications of Nanopore long-read sequencing for small to large sized genomes
PhD defence
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Van liefdadigheid naar abortusstrijd. Leidse vrouwen en de Nederlandse vrouwenbeweging van 1860 tot 1990.
PhD defence
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The Sky is Made of Lava: How lava worlds reveal their interiors through their atmospheres
PhD defence
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Exploring the metabolism and toxicity of amino sugars and 2- deoxyglucose in Streptomyces
PhD defence
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Design and synthesis of a next generation carbohydrate-mimetic cyclitols
PhD defence
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From Risks to Public Opinion: How Structural Economic Changes Shape Political Attitudes and Policy Preferences
PhD defence
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Re-entry support from prison-based and community-based professionals
PhD defence
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New Polymyxin Antibiotics for Old Problems
PhD defence
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MAGL modulators - Structure-guided optimisation and characterisation
PhD defence
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Historiography and Palaeography of Sasanian Middle Persian Inscriptions
PhD defence
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Maneuvering through a World of Stressors
PhD defence