You’ve used aluminum foil (even if you still call it tin foil) for a million things…from wrapping sandwiches to cleaning your silverware…or if you’re old enough, beefing up the reception on the ol’ rabbit ears.

And you’ve probably noticed that if you layer it up, aluminum foil can be pretty tough.

The folks at Demo Range obviously wondered this and, as one does, they then wondered how many layers of foil it would take to stop a bullet.

They ask these questions, so you don’t have to…