You know, I wonder if it's possible to make a portable weapon that fires a pressurized stream of liquid nitrogen, kind of like a reverse flamethrower. Instead of burning things, it freezes things.
Responses
In response to blip #68809
@Chameloshi:
Yes.
https://www.youtube.com/watch?v=yrvwOEwawsA
It's probably one of the most impractical 'weapons' ever though.