supergeleiding
For just a while, Leiden was the coldest point on earth. The Klondike of the West, with mercury colder than the South Pole. It was the result of an experiment by Heike Kamerlingh Onnes, which he repeated for a second time exactly 111 years ago today. And this time, it led to the discovery of superconductivity. At an extremely low temperature – close to absolute zero – the electrical resistance of pure metals disappears completely. Heike received the Nobel Prize in Physics for his discovery. And we make use of his findings. Think of liquid helium, for example!
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The Leiden Maths Walk
For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.
Route of Discoveries
There have been a lot of amazing and important discoveries done in Leiden. Follow the Route of Discoveries: see new places in the city or fi...
Playing with mathematics
Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...
