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science Physics & MaterialsIf you can smell poo, are there poo particles in your nose?You walk into a toilet and immediately realise someone has been there before you. But what exactly are you smelling? And does it mean that actual poo particles are getting into your nose?
science Physics & MaterialsHow does laser tattoo removal work?People used to say you should think carefully before getting a tattoo, because it was there for life. These days, tattoos can be removed more effectively with laser treatments. But what does a laser actually do to the ink beneath your skin? And why doesn’t it simply burn your skin at the same time?
science Data & AIHow does your phone know it’s you?Recently, I wore glasses for the first time in ages instead of my usual contact lenses. Yet Face ID unlocked my iPhone without any trouble. Apparently, my phone still knew it was me. But how? How does facial recognition actually know that you really are you?
science ClimateA full power grid: why don’t we just lay more cables?You read it almost every week. The power grid is full, businesses wait years for a connection and new housing projects stall. The logical thought is then: just lay more cables. Yet that is only half the answer. The grid is far from full all the time, and building more takes longer than you would think. What is really going on underground?
science Data & AICan AI take over football commentary?A ball flies over the goal line: "What a goal!" But this goal isn't scored in an professional football stadium in the Premier League. It comes on a table-football table in a lab at the University of Twente. A webcam hangs above the table, and red and blue LED strips flash along with the play. The voice cheering it on belongs to an AI. So can a computer handle the commentary on the real thing too?
Kees Studies
science HealthKees Study: Can I get a tattoo without a needle?Around 44 million Europeans have a tattoo, and the method has barely changed in centuries. A needle punctures the skin over and over to leave ink behind. It hurts, and it damages the skin. In this Kees Study I find out if I can tattoo without a needle?
science HealthKees Study: My brain hacked, how brain stimulation could help with Parkinson'sImagine your hand moving without you telling it to. Not because you flinched, but because an electrical signal in your brain gave the command. That's what happens in Parkinson's disease. At the same time, electricity on the brain can also help to reduce the symptoms of Parkinson’s disease. That's exactly what researchers at the Brain Stimulation Lab of the University of Twente are trying to understand.
science Physics & MaterialsOlympic questions: What makes an ice skating suit faster?Ice skating at speeds exceeding 50 kilometres per hour. How do olympians achieve that top speed on the ice? The push-off is crucial, of course, but did you know that at Olympic speeds, approximately 80 per cent of the opposing force is air resistance? In this episode of Kees Study, I dive into the wind tunnel to discover how aerodynamics can make the difference between silver and gold.
science RoboticsKees Study: How difficult is it to take a biopsy in an MRI scanner?Taking a biopsy while a patient is lying in an MRI scanner is extremely complicated. It requires extreme precision. Most robots cannot operate near an MRI scanner. In this new episode of Kees Study, I discover how medical robotics makes this possible, with a robot specially designed for MRI-guided breast biopsy.