In search of the shadow of the invisible
Visible matter in the universe represents only five per cent of everything that exists. The rest is invisible dark matter and dark energy. Particle physicist Ruth Pöttgen is one of the Lund University researchers involved in the search for the mysterious dark matter of the universe. She is standing at her whiteboard in a small office at Fysicum. With the help of her pen, Ruth Pöttgen tries to pain
https://www.staff.lu.se/article/search-shadow-invisible - 2025-10-10