Answer:
What goes into the water black and comes out red?
You can see it everyday, but cannot touch it at will. What is it?
I am a delicious way of representing data.
I am the beginning of eternity the end of time and space the beginning of every end the end of every place.
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
I am your mother's brother's only brother in law. Who am I?