613 search results for “light” in the Staff website
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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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Events Office: our services
The Events Office can take the following off your hands:
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Singing Techniques
Arts and leisure, Arts and leisure
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Portrait/Figure drawing
Arts and leisure, Arts and leisure
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Professor Joanita Vroom investigates medieval Greece with The Packard Humanities Institute grant
In 2024, Professor Joanita Vroom received a substantial grant from the Packard Humanities Institute (PHI) in support for her Hinterlands of Medieval Chalcis Project (HMC Project) in Greece. PHI, a California-based non-profit organization, is dedicated to archaeological research as well as to the preservation…
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Digital Archaeology Group Meeting
Lecture
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Researchers about the labs
Since the opening of the SSH labs in the Sylvius Building, more and more researchers are starting in the state-of-the-art lab spaces. What research are they doing, and how do they like the new facilities? Read about their experiences.
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Better ship designs thanks to smart algorithms
The perfect ship is light and sleek for speed, but also needs to be strong and stable for safe sailing. These and other conflicting requirements make it difficult, even with a supercomputer, to find the ideal design. Computer scientist Roy de Winter has developed an algorithm that helps strike the perfect…
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Opening of the Herta Mohr Building: brand new and also recycled location for Humanities
Light, open and green: a description that fits the new, renovated location of the Faculty of Humanities. The official opening of the Herta Mohr Building took place on 8 October, and it has many remarkable features: for example, recycled ‘mushroom columns’, a pedestrian bridge to the University Library…
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Environmental awareness at work
The University has ambitious plans for reducing the environmental impact of its activities. To this end we have taken university-wide measures in the form of improved building sustainability, sustainable energy and water-saving measures. As an employee, you can also contribute to lowering the environmental…
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Model painting with diverse techniques
Arts and leisure, Arts and leisure
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Experts in the media
Leiden University appreciates it if you explain your work to a wider audience every now and then. We encourage media contributions and have people and tools to help you with this.
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‘All of Leiden will join in with the Seeing Stars experiment’
What will happen if the lights in a large part of the city are switched off? How many stars can you see without all that light pollution? This is what researchers, artists and the residents of Leiden are going to investigate during Seeing Stars Leiden on 25 September. ‘Leiden is the ideal place for…
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Student cleans up archival data and uncovers two stellar cocoons
While investigating 16 years of images of young stars from a retired astronomical camera, Leiden master's student Sam de Regt discovered that two of those stars were still enveloped in birth clouds. Never before has anyone captured these two stars in so much detail. He publishes his data-cleaning method…
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Hunting for life’s building blocks at minus 250 degrees Celsius
James Webb life’s building blocks
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Decolonisation in art: 'That darkness says: up to here and no further'
It was not light, but its absence that caught Stephanie Noach's attention a few years ago. With her research on darkness in art, she aims to show how darkness can question and sometimes even undermine colonial imagery.
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Guidelines for ‘In the media’ pages
If a researcher has appeared on the TV or radio or in a newspaper, for example, you can create an ‘In the media’ page referring to this. How do you write a good ‘In the media’ page? Below are some guidelines.
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LUCAS PhD Symposium “Research in Progress”
Conference
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If You Encounter Strife, Return to Yemen
Lecture, Leiden Yemeni Studies Lecture Series
- News
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Dutch researchers uncover hidden supermassive black hole
An international team of astronomers led by Violeta Gámez Rosas (Leiden University) has observed a supermassive black hole hidden in a ring of dust. This discovery fits the idea that the so-called active centers of galaxies are much more similar than observations show, because the viewing angle from…
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Artwork in the new Gorlaeus Building: ‘Academics and artists have more in common than we think’
Leiden artist Jos Agasi gets to create the artwork for the atrium of the new Gorlaeus Building. His work was chosen from several entries and will be a real eye-catcher in the building. The artist has a fascination for light and uses it to create works of art with all kinds of materials, objects and…
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Record number of registrations for PhD course microscopy
‘Microscopy is by far the least understood, most inefficiently operated, and the most abused of all laboratory instruments,’ reads the quote on the office wall of microscopy unit supporters Joost Willemse en Gerda Lamers. It describes exactly why the two developed the microscopy course for starting…
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Webb data suggest potential atmosphere around rocky exoplanet
Researchers using NASA’s James Webb Space Telescope may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet 41 light-years from Earth. This is the best evidence to date for the existence of any rocky planet atmosphere outside our solar system.
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The James Webb Telescope takes stunning photos. But what exactly are we looking at?
For over a year now, the James Webb Telescope has been sending stunning images that exceed astronomers’ expectations. The photos are fascinating to see, but what exactly are we looking at? Assistant professor Melissa McClure explains.
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BlackGEM telescopes begin hunt for gravitational-wave sources
Three Dutch-Belgian telescopes have started operating at the ESO La Silla Observatory in Chile. This so-called BlackGEM array will scan the southern sky to hunt for cosmic events that produce gravitational waves, such as mergers of neutron stars and black holes. Leiden astronomer Rudolf le Poole is…
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Measuring water with your smartphone
You might take photos and selfies with your phone's camera, or scan a QR code. But there is much more you can do with it. Astronomer Olivier Burggraaff developed a phone attachment that allows you to take measurements of surface water with your smartphone. He will receive his PhD on 13 December.
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Space telescope Euclid makes first test images - astronomers are full of anticipation
The two instruments of ESA's space telescope Euclid have taken their first test images. The first images indicate that the space telescope will achieve the scientific goals for which it was designed - and possibly much more. Euclid will create a 3D map of a third of the sky, allowing scientists to study…
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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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Leiden archaeologists mentioned in Top 13 Discoveries in Human Evolution during 2023
In a recent article published on PLOS, Drs. Briana Pobiner and Ryan McRae of the Smithsonian Institution National Museum of Natural History discuss the top 13 discoveries in human evolution in 2023.
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Mesmerising images from James Webb space telescope
The 'deepest and sharpest' image of the Universe to date: the first photos from the new James Webb space telescope yesterday mesmerised astronomers and the public alike. Leiden Professor of Molecular Astrophysics, Ewine van Dishoeck, spoke to various media outlets about the first images, which include…
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Stéphanie Noach receives a Fulbright grant
Stéphanie Noach, PhD within LUCAS, received a Fulbright grant to conduct research for her PhD project 'Dark Matters. Recasting Darkness with Contemporary Latin American Art' at the Afro-Latin American Research Institute at Harvard University.
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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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Dr. Andrew Sorensen at University of the Netherlands: Lecture on Ancient Fire-Use
When is the last time you made a fire? Not light a candle with a match, but an actual fire from scratch. Thousands of years ago, humans already made fire. Archaeologist Andrew Sorensen (Leiden University) explains when and how they did this.
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Archaeologist Gerrit Dusseldorp in Discover Magazine on Neanderthal extinction
Scientists have long assumed Neanderthals simply lost the evolutionary race against humans. But their disappearance may be a bit more complex. In Discover Magazine, Gerrit Dusseldorp sheds light on this illusive question.
- Request for closing windows
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Implications of the German Elections; interact with experts and join the event
Five questions about the event ‘Germany after the Elections: implications for Foreign Policy and European Security’ answered by one of the experts at the event: Joachim Koops. Come by at the Spanish Steps in Wijnhaven on Friday 15 October or join the event online (link below).
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First detailed picture of ice in planet-forming disk
An international team of astronomers led by Ardjan Sturm of the Observatory has made the first two-dimensional inventory of ice in a planet-forming disk of dust and gas surrounding a young star. The researches, including Melissa McClure, used the James Webb Space Telescope and publish their findings…
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Leiden PhD student discovers thin atmosphere on exoplanet TRAPPIST-1 c with JWST
A group of astronomers led by Leiden PhD student Sebastian Zieba has discovered using the James Webb Space Telescope (JWST) that the rocky exoplanet TRAPPIST-1 c has a thin atmosphere. Although the planet is nearly identical to Venus in size and temperature, and was expected to have a thick atmosphere,…
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Ewine van Dishoeck goes stargazing
From the birth of the universe to the molecules in a planet's atmosphere. The first five pictures from the James Webb Space Telescope (JWST) show the enormous range in which the space telescope can operate. Ewine van Dishoeck, professor of molecular astrophysics, took a look at the first images Tuesday…
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Webb reveals new details in Pandora’s Cluster
Astronomers have captured a new deep field of Pandora's Cluster (Abell 2744) with the James Webb Space Telescope. The images show never-before-seen details. The results are described in four scientific papers. Leiden astronomers Marijn Franx and Mariska Kriek collaborated on the study. 'This opens a…
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ESA presents first crystal-clear Euclid photos of the cosmos
The first full-colour images of the cosmos from ESA's space telescope Euclid were presented today. Never before has a telescope been able to take such crystal-clear astronomical images of such a large part of the sky and so far into the deep universe. The five images illustrate Euclid's full potential;…
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First scientific images Euclid telescope exceed all expectations
Space telescope Euclid is capable of unravelling the secrets of the universe. That is what the images published by ESA today show, according to astronomers working with the telescope's data. The images exceed all expectations. Scientists within the Euclid consortium, including astronomers Henk Hoekstra…
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Thermostat 2 degrees lower in Pieter de la Court Building
Facility
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Podcast Finally Friday with ancient-fire expert Femke Reidsma
Pyrotechnology – the manipulation and control of fire – is one of the defining characteristics of humanity, and has impacted nearly every technology that we used in the past and study archaeologically in the present. Our PhD researcher Femke Reidsma joined EXARC's podcast for May’s #FinallyFriday to…
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Sander Hölsgens in Belgium Newspaper about changing skate culture
Skate legend Tony Hawk came to Antwerp. Belgium newspaper De Morgen published an article on the changing skate culture. Cultural Anthropologist Sander Hölsgens shines his light on this theme and talks about the democratisation of skate boarding, activism, public space and collective memory of skater…
- Making our buildings more sustainable: setting the thermostat to 19 degrees
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Students for Palestine panel discussion in The Hague on 24 May
Students for Palestine – a group of students from Leiden and The Hague – are holding a panel discussion in the Leiden University in The Hague Wijnhaven building on Tuesday 24 May entitled ‘Silencing Palestine’.
- University to raise orange flag against violence against women
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Can we make bioplastics with artificial photosynthesis?
Mimicking photosynthesis to produce bioplastics sustainably and efficiently. Researchers from the Institute of Biology Leiden (IBL) and the Leiden Institute of Chemistry (LIC) will assess this new approach. ‘An exciting opportunity to explore a new, appealing research topic in a collaboration between…