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How not to waste energy on 5G

Earl McCune is geared up to break a few long-held believes in the field of wireless communication

The impact of algorithms

In our age of technology algorithms have become more complex and more influential than ever before. And yet, because of their omnipresence, we are much less aware of them.

Towards a sensible digital society

Mathematics, electrical engineering and computer science are the foundation of modern technology: they form the basis for solutions to this century's major challenges. This creates not only opportunities but also responsibilities. "As engineers, we must be aware of the fact that the digital society does not exclusively bring benefits", warns Professor John Schmitz, Dean of the Faculty of Electrical Engineering, Mathematics and Computer Science (EEMCS). Mathematics, (micro)electronics and computer science: all technical systems and hardware – from medical equipment to aircraft – require a combination of these three elements. "Take your smartphone", Professor Schmitz explains. "It contains electronic switches – integrated circuits. Designing them requires mathematics. Consider Kirchhoff's laws, which state that the sum of the voltages at a node in such a circuit equals zero; the same applies to the resistance in a loop. Solving such equations for simple circuits is manageable, but one modern integrated circuit (or microchip) contains millions of these loops. To do that, you really need to know your mathematics". Smartphones now have 100,000 times the computing power of the computers that were used for the moon landing. This was made possible by the development of micro-electronics, which in turn influenced the development of mathematics and computer science. "In the past, mathematics required a great deal of analytical solving. Current computing power and numerical methods mean we can simply calculate it all. This offers unprecedented possibilities," notes Schmitz. "In addition, all sorts of things that used to require experimental demonstration can now be partly calculated; so we don't have to conduct as many expensive experiments". Mathematics, computer science and electronics reinforce each other in this way, and are the joint foundation of modern technology – a role that Schmitz wants to put in the spotlight. Healthcare One topic that does not immediately bring EEMCS to mind is healthcare. The use of stem cells to grow tissue on electronic chips (‘Organ on Chip’) now makes it possible to conduct highly specific studies of how medicines work, in order to develop personalised individual medication. In the Bio-Informatics and Pattern Recognition research group, researchers are applying advanced data analysis in order to be able to interpret and use the ever-expanding volume of biological data (e.g. from DNA sequencing). Great things are happening in the field of medical imaging as well. "Take MRI scanners, which cost millions because of the linear magnets they require. Although these magnets have been fully optimised over time, the best possible technology is not being used to process the signals into images", explains Schmitz. "A combination of simple magnets and sophisticated image processing can produce very good image quality. This makes the devices affordable for developing countries as well". Great things are happening in the field of medical imaging as well. "Take MRI scanners, which cost millions because of the linear magnets they require. Although these magnets have been fully optimised over time, the best possible technology is not being used to process the signals into images", explains Schmitz. "A combination of simple magnets and sophisticated image processing can produce very good image quality. This makes the devices affordable for developing countries as well". However, even more information can be extracted from the more expensive scanners. "That kind of system generates a mountain of data, only a small portion of which is used in constructing two-dimensional images. By using symbols – glyphs – to represent this sea of data, computer-graphics techniques can be used to generate visual insight into all kinds of processes taking place in the tissue. The current systems can't do that. Of course, serious mathematics lies behind all this", says Schmitz. "It’s about how we visualise information in a way that humans can understand. Computer graphics could also be helpful in the cockpit, where pilots see so much data flash by that they can hardly make anything of it". Energy transition The energy transition has been called the greatest challenge of this century. According to Schmitz, this is no empty claim: "Worldwide, the majority of our energy still comes from fossil fuels. That has soon to change to 100% green energy, and electric energy will play an important role in the process". The generation of sustainable energy, the storage and conversion of energy, smart energy networks: the researchers at EEMCS are working on all the areas that will make this possible. The transition from centralised to decentralised generation and distribution will play a major role here: "Energy is increasingly becoming a two-way street. For example, locally generated energy can be delivered to the net or perhaps stored temporarily in car batteries. The network will also have to be able to cope with fluctuating supplies of solar and wind energy. We will soon be able to test exactly how that works in our new system-integration lab". Schmitz is referring to the Electrical Sustainable Power Lab (ESP Lab), a unique facility for research on the integration of all these new technologies into a single sustainable energy system. Blockchain While traditional customers are increasingly becoming ‘prosumers’ of energy, so the number of transactions is also increasing. Soon there will be questions to be answered, such as how do you charge for energy you have supplied to a neighbour. Blockchain technology – a new form of safe, distributed data storage – could be useful in this context. "Blockchain aims to generate digital confidence. That is quite an achievement in an age when our confidence in institutions is so often being undermined", argues Schmitz. How does it work? "Blockchain encrypts documents or data, and then it generates a unique code: a hash. This is done in such a way that the hash changes if something in the document changes. This means that any fraud is immediately revealed". Confidence in blockchain also has to do with the fact that the storage of each document is spread across the internet, thereby making fraud or theft virtually impossible. "Blockchain can be used for a large number of applications that currently require intermediaries, for example registering wills or taking out mortgages. It can also provide access to the financial world in areas where there are no banks", Schmitz points out. "It will soon be possible to use blockchain to arrange anything that now requires proof of identity". EEMCS is at the forefront of the development of blockchain technology. TU Delft is a founding member of the Dutch Blockchain Coalition, which is based on the campus. "All partners from society and industry are represented there: banks, government bodies, industry, notaries, insurance companies, knowledge institutions. It’s easier to interact with the field when it's so near". Education This community underpins the faculty’s aims in regard to its teaching duties. "We want to solve societal problems. This requires research, as well as engineers who are able to put that into practice. We train them, because engineers are needed in order to solve the world’s problems’, declares Schmitz. In his assessment, the teaching at TU Delft is in good shape. In a recent benchmark study by the Massachusetts Institute of Technology (MIT), TU Delft is ranked high amongst the world’s best universities of technology. "I would venture to say that the educational innovation at EEMCS is one reason that we are one of the top five in the world. The MIT report makes explicit mention of our Solar Energy MOOC and the 'blended-learning' approach in the teaching of maths." The latter project is PRIME: Project Innovation Mathematics Education. "We teach mathematics across the entire university, so we have to be able to explain it well to non-mathematics students". A combination of videos, interactive quizzes and online homework is intended to provide students with comprehensible preparation for the lectures and to improve their mathematical foundations. "We will also soon be starting a 'digital-skills' project, in which all students will learn the basic elements of programming", notes Schmitz. In addition to imparting mathematics and digital skills, the project will also make sure students – and scientists – consider the potential risks of the digital society. Risks "Digitisation has a major influence on society. When you go to a restaurant, everyone is sitting there looking at their screens. Although we could debate about whether that is good or bad, it does have a major impact on daily life", argues Schmitz. "On the other hand, some people today still do not have any connection to the internet. Do they no longer count? The government already makes it nearly impossible to do a tax return on paper". Social exclusion is only one of the risks. Schmitz explains, "We can have computers train themselves to recognise images. For example, the neural network recognises whiskers and decides that it’s seeing a cat. In time, it trains itself by adjusting a variety of weighting factors in the neural network. Although there have been no problems so far, these systems are sometimes so complicated that we no longer understand what they are doing". This could lead to potentially major dangers if, for example, we use the same systems to drive our cars, manage the stock market or arrive at medical diagnoses. We need to find ways to make deep learning and similar technologies more comprehensible. Otherwise, we could be heading for ‘Weapons of Math Destruction’, as the mathematician Cathy O’Neil describes in her book of the same name. In general, this is nothing new. "There are two sides to whatever we invent, good or bad", argues Schmitz. "As an engineer, it's important to make this visible, and therefore transparent". Digital society Until recently, this was uncharted territory. "These problems are on their way because the digital society is unstoppable. In fact, they are already here, although they are a relatively new issue. We need to be aware that these kinds of factors will be playing a role. This starts with the training of good engineers, and this means in education", observes Schmitz. Fortunately, we are not alone in this endeavour. For example, the ‘Digital Society’ programme of the Association of Universities in the Netherlands (VSNU) addresses both the opportunities and the risks. "The universities are united in saying, 'We are facing a common task'. Where is the human factor in the digital society? To what extent can we trust digital contacts and transactions? Even if we do not yet have the answers, I have high expectations that we will be able to find them if we all work together. This is how we can progress together towards a responsible digital society". More information You can view the inaugural speech of Prof. John Schmitz on demand via ths link . You can find the slides of the inaugural speech here . Text: Agaath Diemel l June 2018

You sometimes used to see students struggling to stay awake, but now they’re actively participating

Is sharing personal data a matter of all or nothing?

New digital technology is making it increasingly easy to share personal data.

The wonderful world of quantum computing 8

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The wonderful world of quantum computing 7

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What subject do you want to master?

Master’s Event (28 November 2024) Are you almost done with your bachelor's and orientating on a master's programme? During the online Master’s Event on the 28th of November, you will get all the information you need to make a conscious choice. There will be an in-depth session via Microsoft Teams about every TU Delft master’s programme. If you would rather visit an on campus event, you can join the next event on the 20th of February. Register now: https://www.tudelft.nl/masters-event

Apply to become a student fellow at Impact Studio’s Ideation lab!

Do you want to experience entrepreneurship? Are you curious about how exploring business opportunities work? Join the Ideation Lab ..

Energy Hubs: Stories of Team Science

In this longread we talk with Peter Palensky, head of the department Electrical Sustainable Energy, and with Laura Ramirez Elizondo, Associate Professor Micro-grids, about the important role for energy hubs in the energy transition

The TU Delft Library – a driving force of open access publishing

With open publishing deeply ingrained in the DNA of TU Delft it is easy to overlook what happens behind the scenes. Joke Dales and Kees Moerman, both longtime employees of the TU Delft Library, have been involved from the start and they still provide abundant support.

Enrolment for new courses open on 13 November

The new courses will start from Monday 18 November. Enrolment for these starts from Wednesday 13 November at 08.00! In the second quarter, a new series of courses awaits you. You can find out more on the website. Maybe you already know that you want to attend your favourite course again or maybe you want to discover and try something new; it's all possible. Enrolments go fast Enrolment for our courses always runs fast, so don't wait too long or be surprised by a course where spots are still available! Enrolment closes Enrolment closes on Friday 22 November at 16.00.

Boost you Resillience

Develop yourself with the e-tool Gezondeboel Setbacks and challenges are a normal part of life, including student life. What you find challenging and how you deal with it is personal. It is important that you learn to deal with these challenges and grow from them. The Gezondeboel e-tool offers a wide range of online programmes that meet your development needs as a student. Think about topics such as stress, balance, decision making, planning, procrastination, fear of failure, perfectionism, feelings of loneliness and more. Use Gezondeboel as a self-help tool to strengthen your mental resilience. The programmes are suitable for everyone and offer practical tips for quick results. Choose a programme that suits you and follow it at your own pace, wherever and whenever you want - even via your mobile phone or tablet. You can follow as many programmes as you like, completely free and anonymously. Log in via the Student Portal using the link below. www.tudelft.nl/gezondeboel

Equity, Diversity and Inclusion Month 2024: Aftermovie

Equity, Diversity, & Inclusion (EDI) Month took place at TU Delft throughout October 2024, with the theme "United for Change, Together We Grow." This month featured over 20 events and activities organized by more than 35 contributors, providing a valuable opportunity for hands-on workshops, training sessions, and open discussions on various topics: Inclusive communication Unconscious bias Ally skills Neurodiversity Intercultural teamwork Good practices in EDI Girls in Tech Queer emancipation Emotional intelligence at work Deep Democracy and Inclusion Inclusive education Aftermovie Thanks to all faculties, student associations, networks, Diversity & Inclusion office for making this month possible! In this short aftermovie , you can get a glimpse of some (of the many) highlights of this month!

Don’t forget to terminate your enrolment after the final part of your study

Your termination of registration does not happen automatically! Have you completed the final part of your study? Please be aware that you need to send a request to terminate your enrolment through Studielink as it will not be done automatically. When you terminate your enrolment at TU Delft, you are entitled to a refund of one twelfth of the annual tuition fee for each month of the academic year in which you are no longer enrolled, with the exception of termination as from July and August. Enrolment termination with retroactive effect is not possible. Be aware! If you are not enrolled and you still use educational or examination facilities (including taking exams) there will be financial consequences. It can also affect your student grants and/or student travel product. For more information, please check the Student Administration website: Termination of Enrolment (tudelft.nl)

Celebrating One Year of Work Package ‘Future Skills for Engineers and Scientists’

Work Package ‘Future Skills for Engineers and Scientists’, marked one year of work with the completion of our Future Competencies Report. The report consists of our analysis of student surveys, alumni surveys, and self-conducted interviews. Notably, it includes a taxonomy of future competencies and future challenges, with further explanation about specific terms and trends. Over the coming months, these competencies and challenges will form the foundation for a SWOT analysis that aims to determine areas that we, as an alliance, need to address to advance European and technological development. During this process, we will seek to further align with our other ENHANCE work packages, such as those on Future Learning pedagogies and Sustainable Entrepreneurship, and continue to engage key stakeholders in European education, government and industry. If you would like to receive a digital copy of the Future Competencies Report, please contact g.r.penny@tudelft.nl Upcoming Work Package 4 events: 6 November 2025, TU Delft – Work Package 4 ‘Future Skills for Engineers and Scientists’ and Work Package ‘Diversity, Impact and Dissemination’ workshop: A DEI Perspective on Future Engineering Competencies and Challenges. 13 and 14 February 2025, TU Delft – Annual Work Package 4 meeting.

Work Package ‘IT Infrastructure and Services’ meetings

On the 5th and the 6th of September, the TU Delft was hosing the meeting with the work package ‘IT Infrastructure and Services’ leads from RWTH Aachen to discuss IT requirements and solutions aimed at enhancing the learner’s journey and reducing administrative burdens. In addition to this visit from RWTH Aachen, ETH Zurich hosted the inaugural IT Knowledge Hub. The event was a resounding success, bringing together IT and Education officers to collaborate and gain a deeper understanding of the innovative IT improvements needed to better serve our universities and the ENHANCE Alliance. This gathering provided a fantastic opportunity for closer collaboration and innovation.
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9 researchers from ELLIS Unit Delft honoured with Fellows or Scholars title

TU Delft has participated in ELLIS since 2019, currently with over 30 active members within the ELLIS Unit Delft. A total of nine researchers have recently been honour with an ELLIS Fellow or Scholar title.

A rudimentary quantum network link between Dutch cities

An international research team led by QuTech has demonstrated a network connection between quantum processors over metropolitan distances. Their result marks a key advance from early research networks in the lab towards a future quantum internet. The team developed fully independently operating nodes and integrated these with deployed optical internet fibre, enabling a 25 km quantum link. The researchers published their findings in Science Advances.

Bachelor students develop model to better understand the chemical process of renewable fuels

A group of TU Delft bachelor students has developed, as part of the students’ minor in Computational Science and Engineering, a new model that accurately predicts the molecular properties of alkanes. This knowledge is crucial for the development of renewable fuels.

Pioneering Tech: GovTech, Generative AI, and Defense Innovation

This week, the latest edition of Pioneering Tech has been released. The cover story of this edition focuses on GovTech: the collaborative development of government technology by public and private sectors. GovTech can better safeguard public values and reduce government reliance on 'Big Tech' companies like Amazon, Google, and Microsoft.

Battling the data hunger of Big Tech

Devices like smartphones and laptops have become indispensable in our daily lives. By using them, we share vast amounts of data, such as photos, personal information, and location details. Despite protective legislation, large tech companies have increasing control over how data is gathered and processed, expanding their power. TU Delft researchers Seda Gürses and Lilika Markatou are working to expose the practices of Big Tech and develop new privacy protocols and systems to curb this power and better protect users.

How do we keep the internet, and therefore Dutch and European society, safe?

Scientific research is rarely performed by an individual scientist; it usually involves the work of an entire team of people. Besides this, some topics and challenges are so complex and multifaceted that they affect various faculties and call for multidisciplinary approaches. At TU Delft, a team of researchers and support staff have joined forces to tackle the issue of improving cybersecurity and detecting cybercrime. How do we keep the internet, and therefore Dutch and European society, safe?

Researchers hand over Position Paper to Tweede Kamer

On behalf of the TU Delft PowerWeb Institute, researchers Kenneth Brunninx and Simon Tindemans are handing over a Position Paper to the Dutch Parliament on 14 November 2024, with a possible solution to the major grid capacity problems that are increasingly cropping up in the Netherlands. The Netherlands is unlikely to meet the 2030 climate targets, and one of the reasons for this is that large industry cannot switch to electricity fast enough, partly because of increasingly frequent problems around grid capacity and grid congestion. In all likelihood, those problems will actually increase this decade before they can decrease, the researchers argue. The solution offered by the TU Delft PowerWeb Institute researchers is the ‘flexible backstop’. With a flexible backstop, the current capacity of the power grid can be used more efficiently without sacrificing safety or reliability. A flexible backstop is a safety mechanism that automatically and quickly reduces the amount of electricity that an electric unit can draw from the grid (an electric charging station or a heat pump) or deliver (a PV installation). It is a small device connected or built into an electrical unit, such as a charging station or heat pump, that ‘communicates’ with the distribution network operator. In case of extreme stress on the network, the network operator sends a signal to the device to limit the amount of power. Germany recently introduced a similar system with electric charging stations. The backstop would be activated only in periods of acute congestion problems and could help prevent the last resort measure, which is cutting off electricity to users. ‘Upgrading the electricity network remains essential, but in practice it will take years. So there is a need for short-term solutions that can be integrated into long-term planning. We, the members of the TU Delft PowerWeb Institute, call on the government, network operators and regulator to explore the flexible backstop as an additional grid security measure,’ they said. The entire Paper can be read here . Kenneth Brunninx Associate Professor at the Faculty of Engineering, Governance and Management, where he uses quantitative models to evaluate energy policy and market design with the aim of reducing CO2 emissions. Simon Tindemans is Associate Professor in the Intelligent Electrical Power Grids group at Faculty of Electrical Engineering, Mathematics and Computer Science. His research interests include uncertainty and risk management for power grids. TU Delft PowerWeb Institute is a community of researchers who are investigating how to make renewable energy systems reliable, future proof and accessible to everyone.

TU Delft and Urenco invest together in nuclear talent

Uranium enricher Urenco and TU Delft are teaming up to develop new generations of nuclear scientists. Urenco is supporting the Delft Excellent Laboratory Facilities for Innovation and Nuclear Education (DELFINE) programme for three years to increase the pool of nuclear talent who can work to find solutions to the challenges society faces.

Empowering professionals – vital for the longevity of any organisation

Empowering professionals – vital for the longevity of any organisation “Employers need to recognise that allowing employees to develop themselves is essential to business success, and space must be made for that,” says Willem van Valkenburg, Executive Director of TU Delft’s Extension School for Continuing Education. In a recent Topic Talks interview on New Business Radio , van Valkenburg highlighted the need for a robust learning culture within organisations to keep pace with an evolving job market and rapid technological advancements. Barriers to continous development Reflecting on the learning culture in the Netherlands, as an example, van Valkenburg pointed out an often-overlooked barrier: although resources for professional development exist, business needs frequently take precedence, sidelining employee growth. “Employers must actively create environments that encourage continuous learning and foster dialogue about upskilling and growth opportunities. This is especially crucial for companies struggling with unfilled vacancies. When staffing is low, the demand on existing employees intensifies, making it harder to prioritise time for learning.” Recognising these challenges, TU Delft has developed short-duration online courses to help professionals fit learning around their work responsibilities. The importance of up-to-date skills is clear: businesses need to adopt new technologies to remain competitive, yet they often face skills gaps that traditional training does not cover. Van Valkenburg shared an example of a professional who, after completing TU Delft’s AI in Manufacturing course, applied their learning to increase production by 50%. To address the need for specialised knowledge, TU Delft’s approach goes beyond standard coursework, fostering innovation through collaborative learning communities. “Our learning communities bring together researchers, professionals, and policymakers to collaboratively address real-world problems. This structure enables participants to learn while actively solving practical challenges,” explained van Valkenburg. Throughout the conversation, van Valkenburg emphasised the value of aligning academic expertise with industry needs. By integrating TU Delft’s research into their courses, participants have access to the latest advancements, keeping them at the forefront of their fields. “Our courses, accessible in English and designed for a global audience, allow professionals from diverse sectors to stay ahead of technological shifts,” he said. Tangible impact In addition to cutting-edge content, the Extension School maintains a learner-centred approach. Feedback is integral, helping TU Delft ensure its courses remain relevant and impactful. “What moves me the most are people in developing countries who say, ‘I took a course on solar energy. With the knowledge I gained, I wrote a project plan to install solar panels in our village. Now, we have more electricity and can develop ourselves further.'" Building lifelong learning at all levels is essential to creating a resilient workforce and a sustainable future. TU Delft’s Extension School is committed to keeping these conversations alive, empowering professionals worldwide to drive meaningful change. For those interested in hearing the full interview in Dutch, please click the link. Luister hier Support Willem van Valkenburg and our work by giving us a shout-out on LinkedIn linkedin

Large meltwater accumulation revealed inside Greenland Ice Sheet

A new study published in Nature unveils a surprising discovery: a substantial amount of meltwater is temporarily stored within the Greenland Ice Sheet during summer months. For the first time, an international group of researchers was able to quantify meltwater with positioning data. The finding challenges current models of how ice sheets contribute to global sea level rise.