Answer:
There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.
The weapon of choice to create the biggest shock.
What contains zero calories, but if you consume it, you will probably gain weight?
What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats?
In your fire you hear me scream, creaking and whining, yet I am dead before you lay me in your hearth.
Often cooked as fillet, this meat comes from an animal that swims underwater.