I have a project about how math is used in black holes and I'm required to make a visual aid. I am having a hard time thinking of a visual way to represent a black hole and the math involved in it all in one.
I haven't heard of those but I think that Skull Candy Titian's are the best.
Lightening is attracted to ground. Lightening is usually atracted to a ground source that sticks high up in the air above other structures or objects.