So they don't fall out of the CD player
No
The tiny hole in the middle of your eye is your pupil
A small ball with a hole in the middle is probably a Bead.
no it does not depend on the black hole in the middle of the galaxy
no just drops right into the middle (hole) of your filter.
Spencer Jenning's middle name is booty hole!
tecnolgy
A polo? Donut?
Frisbees do not have a hole in the middle of them. They have a small outlined area, but that has no actual value to it. I personally use it to know where to place my finger to spin it.
Cube ice with a hole in the middle will melt faster. The hole increases the surface area and will allow more of the ice to melt at the same time.
The middle of the milky way is a black hole and a black hole cannot be made up as matter. The middle of the milky way has no size, but the black hole sucks the light making it look big in pictures. The actual size is nothing.
Who knows - the concept of a worm hole is still a hypothesis.