The only U.S. particle collider shuts down – so a new one may rise
The Relativistic Heavy Ion Collider stops work after more than 25 years of mind-bending discoveries
The Relativistic Heavy Ion Collider consisted of two rings (shown) that accelerated protons and atomic nuclei to near light speed before smashing them together.
Brookhaven National Laboratory/Flickr (CC BY-NC-ND 2.0)
This is a human-written story voiced by AI. Got feedback? Take our survey .