Dolphins Are Not Scientific Authorities

Originally posted by AThousandYoung
Guns don't work underwater.

This one does.

http://en.wikipedia.org/wiki/Mk_1_Underwater_Defense_Gun

and see
http://www.wired.com/science/discoveries/news/2007/06/underwater_guns

Originally posted by zeeblebot
torpedo tube is a gun?

Why not?

First definition here: http://www.thefreedictionary.com/gun

1. A weapon consisting of a metal tube from which a projectile is fired at high velocity into a relatively flat trajectory.

Originally posted by Palynka
Why not?

First definition here: http://www.thefreedictionary.com/gun

1. A weapon consisting of a metal tube from which a projectile is fired at high velocity into a relatively flat trajectory.

Torpedoes are self propelled. Gun projectiles are not (unless labelled "rocket assisted ordinance" and even then the rockets only come on near the target).

That's what makes something a projectile; lack of it's own propulsion (I think).

Originally posted by wolfgang59
This one does.

http://en.wikipedia.org/wiki/Mk_1_Underwater_Defense_Gun

and see
http://www.wired.com/science/discoveries/news/2007/06/underwater_guns

Tungsten darts...that makes sense.