How many firearms in total were owned by civilian population between 1836 and 1912 in USA (cumulatively, not simultaneously)? The timeframe is what I would consider "Old West" timeframe, but starting ...
I know that machine guns were a vital part of world war 1. I know that they were mainly used in the trenches as fixed position weapons. However, I would like some specifications about the machine gun ...
Why did the Germans fall behind the Americans in the development of the atomic bomb after an initial lead?
I actually know certain facts about this matter, but am seeking guidance in interpreting these facts into "theories." 1) Theory 1, Economic: The Americans spent something like $2 billion (in money of ...
In WWII-era films and newsreels, aerial bombs are often shown making a whistling sound as they fall; starting high pitched, then decreasing as the bomb approaches the Earth (example here, starting at ...