Answer:
Iron roof, glass walls, I burn and burn but never fall. What am I?
I flow from the Homer’s mouth when he sees doughnuts.
I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty. What am I?
I shift around though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge yet unseen by humans.
What invention lets you look right through a wall?