well, the microwave was invented, the radio, and new guns
Firearm, nuclear, jet engine, radar, radio, etc. technologies saw service in World War 2
machine guns
Various technologies were used during World War 2 such as:GunsTanksSubmarinesRadio CommunicationPlanesShipsBombsMissiles (prototpyes)Their is many many more list of technologies used in WW2, just think about the military uses today and it like that but less high-tech.
Radar, jets, rockets, Atom Bomb, Penicillin
What 'technologies' are you thinking of?
Radar, like that used to monitor weather was developed at the start of the war, and is still used today. Penicillin was invented as was the atomic bomb and plastic.
Mainly horses were used in World War 2. But donkeys were used in World War 1.
the jeep and the bouncing bomb and radar was developed (your welcome)
World War 2. The Allies had it, and the Axis did not.
h bombs and spy planes
Yes, 2 were used to end the war. This is the only war where they were used.
The swastika is a very old symbol. But to answer your question it was used by the Nazis in World War 2.