What am I?

I am round. I have only one line. Circle is not my name indeed. What am I?

Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers, magazines, and journals. What am I?

First, you throw away the outside and cook the inside. Then you eat the outside and throw away the inside. What Am I???

Without feather or wing I fly, but you'll known what I am when I hover near by. What am I?

Riddles and Answers