new subs are nuclear powered
It is indeed.
Wood was used to make the first submarine
A submarine is only used under water.
they were used in wars
The submarine is under water.
A submarine was used to monitor enemy activity and then to attack by using large torpedoes.
The object used to view the outside from inside the submarine is called a periscope.
Nuclear energy is used to boil water in order to produce steam. The steam is used to drive a turbine that can either be mechanically hooked up, i.e. the propeller on a nuclear submarine, or the turbine can be linked to a generator which then powers an electric motor.
1776
This is an old and a common term. The torpedo has been used since the first submarine's were used in war time.
it was Germany.
submarine