3 x 3 = 9 9 x 9 = 81 Simple calculations with many different meanings.

Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...

Hercules Rhijngeestus is and artwork that will soon grace Park Landskroon in Nieuw-Rhijngeest in Oegstgeest. He'll be balancing on 1 foot, w...

Documented via old photos, drawings, and postcards.

TROEF is the place were Stichting ROEM displays artwork. From the 16th of September onwards, there will be a new exhibition named "Everythi...

Aesthetics and Politics of Artificial Neural Networks

Come and see the new exhibition: Bird Language!

In 2022, the focus of the Night of Discoveries will be on our youth. The night is a true journey through performances, exhibitions, debates,...

In the news you often hear about artificial intelligence that does things all by itself. Because of that most people, including scientists, ...

Starting on the 2nd of July, you can view a new exhibition at the Leiden Observatory: More-than-Planet. How do we imagine our planet?

This exhibition was made in collaboration with prof. dr. Ewine van Dishoeck and prof. dr. Vincent Icke, and explores the James Webb telescop...

From the 14th to the 18th of September 2022, the first ever EU TalentOn will take place in Leiden.

From 13 to 18 September 2022, Leiden will be host to many young scientists during the 33rd edition of EUCYS.

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...

3 x 3 = 9 9 x 9 = 81 Simple calculations with many different meanings.

Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...

Hercules Rhijngeestus is and artwork that will soon grace Park Landskroon in Nieuw-Rhijngeest in Oegstgeest. He'll be balancing on 1 foot, w...

Documented via old photos, drawings, and postcards.