But what do we know today of the risk of injury from falling bullets?

Before the minie ball, few soldiers could hit a target more than thirty meters away. With the new bullet, they could hit targets more than one hundred fifty meters away.

He shot all his bullets, but no one hit.

You can see the bullets flying over your head.

No, it cannot see bullets, but maybe from these clues, you can guess how to detect when they are fired.