Answer:
I am a nut with a hole. What am I?
The more you look at me The less you see.
The more of this there is the less you see. What is it?
I begin your sentences.
Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers magazines and journals.
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?