Answer:
There is one in every corner and two in every room.
I have a small hill with seven holes.
If I have it I don't share it. If I share it I don't have it. What is it?
Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers magazines and journals.
I go around in circles, but always straight ahead. Never complain, no matter where I am led. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.