Here is Zeropto
Maglev Launched Space Dart
Plasma SuperCavitation accelerator :
Lasers less then bloom potential, add up to plasma bloom potential for nitrogen oxygen and argon
this "bloom" is ripped with electromagnetic fields, into a super cavity, while a pulsed armature, or wake-field acceleration accelerates using the plasma as a reaction mass........
this @ the moment sci-fi tech will be in my game, Wrectified