My college-age daughter Mary Claire is working toward a career in photography. She's been experimenting with old Nikon and Polaroid cameras. The other day, she bought a dozen flashbulbs on eBay.
When they arrived, I realized she might not know an important flashbulb fact. “You know, these things flash just once, then you throw them away.”
My high school-age daughter Grace needed more basic information.
“What's a flashbulb?”