Jerry Zimmerman, known to his fans as Mr. Freeze, puts on a cryogenics show for this year’s DASTOW attendees. Photo: Cindy Arnold
The Fermilab Fire Department demonstrates fire safety for DASTOW families. Photo: Cindy Arnold
Fermilab’s Hugh Lippincott (on stepladder) and Mike Cooke talk to kids about gravity at this year’s FUNdamentals of Physics show. Photo: Cindy Arnold. View more photos of this year’s DASTOW.