Dark energy is responsible for the universe's growth.

Spyridon Argyropoulos, a postdoctoral researcher in the UI Department of Physics and Astronomy, showed that scientists can search for dark energy using particle detectors at the Large Hadron Collider (LHC), the world’s foremost particle collider, located near Geneva, Switzerland.

Read more about this postdoc's research: https://now.uiowa.edu/2019/02/ui-physicist-hunts-mysterious-force-behind-universes-expansion.