John Clark / Special to the Daily Press
Conor Cole watches a superconductivity demonstration at the Test Lab building at Jefferson Lab’s open house on May 19, 2018. The demonstration showed how liquid nitrogen can cause magnets to “float” due to the extreme cold of the nitrogen. (John Clark / Special to the Daily Press) 
Jefferson Lab is a tremendous regional asset that the public can tour Saturday as the facility holds its first open house in six years.
