Crazy Pulp Science-Fiction Inventions

Taken from the d20 Past supplement for the d20 Modern Roleplaying Game. Just press the button to get more inventions. It's just that simple.
Here are your pulp science inventions:

Space Hydroreflector Gun
Inertial Transformer
Dark-Matter Phase Capacitor
Electrowave Network
Gamma-Ray Microcapacitor Shield