Lia Merminga, Fermilab’s director, welcomed 2023 Outdoor Family Fair guests and introduced the Mr. Freeze liquid-nitrogen show. Photo: Dan Svoboda, Fermilab
November 27, 2023
Lia Merminga, Fermilab’s director, welcomed 2023 Outdoor Family Fair guests and introduced the Mr. Freeze liquid-nitrogen show. Photo: Dan Svoboda, Fermilab