TIL when firing the Germans biggest cannon in WW1, they had to move 300 yards away and fire it electrically. They were still so close they required cotton wadding in their eyes, nose and ears, and fired it with their mouth open to prevent the gun from blowing out their ear drums.

TIL when firing the Germans biggest cannon in WW1, they had to move 300 yards away and fire it electrically. They were still so close they required cotton wadding in their eyes, nose and ears, and fired it with their mouth open to prevent the gun from blowing out their ear drums.