I've seen children's eyes light up when I tell them about black holes and the Big Bang.
Brian GreeneBlack holes can bang against space-time as mallets on a drum and have a very characteristic song.
Janna LevinPrison Guard: Do you like the Hole Wolf? Because you are going to rot in there for a long time.
Escape from AlcatrazDanger Barch: [of a water bottle] How'd you get all the ice in here through this little tiny hole?
Million Dollar Baby