568 search results for “light” in the Staff website
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Personnel monitor Light 2021
The University believes it is important to provide you with a satisfying work environment. How do you feel about your career opportunities, the interaction with your colleagues and supervisors, and the work facilities at your disposal? We ask for your opinion via the personnel monitor. This survey guarantees…
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Superselective bonds light up
Rather than one key and one strong lock, biology often uses tens or hundreds of weaker links to bind parts together, such as cells membranes. This allows for selectivity and also reversibility: the binding can also be undone. Researchers first caught this phenomenon using spheres or colloids, and published…
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Dani Crowley
Science
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Lights out, stars on: Daan Roosegaarde on Seeing Stars Leiden
‘What if we switch off all the lights one evening? That idea crossed my mind from time to time. And when I mentioned it to a taxi driver one day, he said: “Oh, you mean: lights out, stars on!” That’s not completely true, of course, because the stars are always on, but his phrase summed up the idea n…
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How light and noise pollution disrupt aquatic life
Fish populations in lakes and rivers have declined in recent decades. This is probably due to light and noise pollution. The Horizon Europe grant enables ecologist Hans Slabbekoorn to investigate this and improve the situation for migrating fish. In order to do so, a seven-metre-long swimming tunnel…
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Chemotherapy without side effects? It’s possible, with light
Nausea, neurologic pain and hair loss: some of the severe side effects of chemotherapy. Not necessary, biochemist Liyan Zhang showed. Together with Leiden biologists and others, she achieved great results with a drug that is only active in combination with light. Zhang will defend her PhD on 4 July.
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This is how physicists use light to build complex structures
Petr Steindl works on quantum dots in microcavities for his PhD research. He manipulates single-photons to create complex structures of light. Applications could include quantum communication and gates for quantum computers.
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Bacteria growing on light and air: a revolution for biotechnology?
Research to experiment with bacteria that grow like plants has been granted the NWO XS grant. These bacteria use light and carbon dioxide to grow, and will be designed especially for use in the biotechnological field. Tijn Delzenne and his supervisor Dennis Claessen can spend 50.000 euros on the exp…
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Research into grave goods sheds new light on traditional roles
New archaeological research into grave goods and skeletal material from the oldest grave field in the Netherlands shows that male-female roles 7,000 words ago were less traditional than was thought. The research was conducted by a multidisciplinary team of researchers led by Archol, the National Museum…
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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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First edition of photo magazine Writing with Light Magazine OpenAccess available
Writing with Light Magazine. Issue no.1 is now available for download as a open access pdf/interactive edition or purchase as limited-run print edition. The magazine builds on our prior work with the journals Cultural Anthropology and Visual Anthropology Review and the editorial collective consists…
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Sara Brandellero: ‘We need to protect the city from an excess of light’
On 25 September, lights throughout Leiden will be turned off for the Seeing Stars event. What makes the urban night so special? We asked university lecturer Sara Brandellero, who researches cities, night and migration.
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Dust cloud from two colliding ice planets dims light of parent star
For the first time, an international group of astronomers have seen the heat glow of two ice giant planets colliding. They could also observe the resultant dust cloud move in front of the parent star several years later. Led by Leiden astronomer Matthew Kenworthy, they monitored the star's brightness…
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Dental remains shed light on drug use in 19th century Dutch village
Archaeologist Bjørn Peare Barthold suspected farmers in a doctorless 19th century Dutch village may have been self-medicating to manage pain and disease. By examining the skeletons' dental calculus this hypothesis could be tested. Science Magazine interviewed him about this new technique.
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‘When a student sees the light, that’s what fulfills me’
'Education has always been something I am very interested in,' says the passionate Michiel Hogerheijde. He was already chairman of the astronomy programme committee and has been teaching for many years. Since 1 October, he is also the new Programme Director of the astronomy bachelor. 'I really enjoy…
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Book Landscapes of Survival sheds new light on the habitation of the Jordan deserts
December 2020 saw the crowning publication of the Landscapes of Survival project by Professor Peter Akkermans. Its main topic is human habitation in marginal environments like the deserts of the Arabian Peninsula. ‘The people living here built their own society, and they would not have viewed it as…
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ESOF session shines a light on the dark side of our universe
Cosmologists can measure with increasing precision how the universe is expanding and changing. This is producing unexpected results and causing cracks in our picture of the universe. At the ESOF session The Dark Side of our Mysterious Universe, cosmologists, astronomers and philosophers will discuss…
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Green light to build revolutionary new experiment at CERN to search for unknown particles
After many years of preparations, CERN has approved a groundbreaking new experiment: the Search for Hidden Particles (SHiP). Physicist Alexey Boyarsky was involved from the start. ‘We know there is physics that’s missing and we aim to find it.’
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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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Anjali Pandit
Science
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Oana Georgiana Rus-Oswald
Faculteit der Sociale Wetenschappen
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research into the Humanities Campus: ‘It needs lots of green spaces and light’
Over the past few months, Urban Studies students have been helping to think about the realisation of the Humanities Campus. To test their knowledge in practice, the future urban specialists gave advice on several different aspects, including thermal energy storage and the new central campus building…
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Willem van der Does sheds new light on the at times pitch-black history of psychiatry
Piercing through the skull with an ice pick, administering electric shocks without an anaesthetic, or applying leeches to the uterus: these may seem like medieval methods of torture, but they are in fact therapies used in medicine. Willem van der Does writes about all of them in his new book. ‘Physicians…
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Sylvestre Bonnet
Science
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Workshop ‘Caribbean World Heritage Sites in the light of today’s global challenges: the case of Historic Bridgetown and Its Garrison'
Last month (February 5-8 2024), the University of the West Indies, Cave Hill Campus, Barbados, hosted a workshop entitled ‘Caribbean World Heritage Sites in the light of today’s global challenges: the case of Historic Bridgetown and Its Garrison’.
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Lights in a Sea of Darkness
PhD defence
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Ecology PhD student wins Dutch award for investigative journalism
PhD student and research journalist Sebastiaan Grosscurt won a Tegel in May. In the data category, Grosscurt and his colleagues won the prestigious Dutch journalism award. 'For me, ecological research and journalism are two ways of achieving the same thing.'
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Zware metalen hebben slechte reputatie, maar genezen ook kanker
Veel mensen denken dat zware metalen giftig zijn en mens en natuur altijd schade aanbrengen. Dat beeld moet genuanceerd worden, vindt hoogleraar Sylvestre Bonnet.
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European security in light of Russia’s invasion of Ukraine
Debate
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Control of early plant development by light quality
PhD defence
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Seeing Stars: Jupiter steals the show in cloudy night skies
After months of preparation, the moment of truth had arrived: would the skies above Leiden clear for the promised glitzy planet-and-star show? The people of Leiden turned out in their hundreds to go star-hunting on 25 September. They became more aware than ever of the effects of light pollution.
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in microcavities: From single spins to engineered quantum states of light
PhD defence
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Forum Antiquum Lecture Spring 2022: 'After Lights Out: Studying Classics in a World War II Internment Camp'
Lecture
- Tips and tricks for recording a do-it-yourself video
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Tips & tricks for online meetings
Most of us are spending more time looking at computer screens due to remote working and online meetings. Video calls have become a popular way of keeping in touch for professionals but it’s not without its problems. The two most frequently heard complaints are a general sense of fatigue and a lack of…
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Media Guide for Researchers
Leiden University appreciates it if you as a researcher take the time every now and then to explain your work to a wider audience.
- Active learning spaces
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Asbestos removal operation: final stage
The final stage of the asbestos removal operation in wing B will commence at the same time as the building work on the library. Neither of these operations will affect the operational management of the Faculty.
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Fiction film
A fiction film portrays a narrative with well thought out characters as realistically as possible with the use of actors, lighting and decor. The strength of a fiction film is being able to relay a deeper meaning in an entertaining and artistic way.
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Student success
One of the focal points of the teaching strategy at Leiden University is ensuring student success. Various initiatives have therefore been taken in this light ranging from the Leiden Study System to CROHO and from the Teachers’ Academy to teaching innovation.
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House rules
All persons making use of Leiden University buildings and grounds must comply with the general University house rules. These are listed in the Regulations on the Use of University Buildings, Grounds and Other Facilities, and are intended to guarantee order and safety for guests and staff alike.
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Talking head
A talking head is a video in which the presenter is recorded from the waist up. This format usually includes visual aids like slides, a board, an object or an animation. This can be recorded in your office, at home or in the studio. If you consider recording in your office or at home, you might want…
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Painting and Drawing
Arts and leisure, Arts and leisure
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Singing Techniques
Arts and leisure, Arts and leisure
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ASCL Seminar: Hope and uncertainty in African migration - a case study of involuntary return to Ghana
Lecture
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Events Office: our services
The Events Office can take the following off your hands:
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Painting with techniques inspired by old masters
Arts and leisure, Arts and leisure
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Painting with Acrylics
Arts and leisure, Arts and leisure
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Portrait/Figure drawing
Arts and leisure, Arts and leisure
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Performative Photography (mix of photography & art performance)
Arts and leisure, Arts and leisure