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I couldn't help but picture beers quantum-levitating toward me from the refrigerator when you said "small, light and cold objects."

It could replace pneumatic tube systems for mail. Not that these are still in much use today, except hospitals.

> (ballistics for instance)

so people already wanna make a gun out of it, that's just sad

mankind will always pervert science for power?

Military research is where a whole lot of the cool science comes from. There's nothing like knowing the guy who gets there first is going to blow your head off to spur the competition.

In fact, maybe governmental science grants should have some sort of gladiatorial combat requirements for disputed priority...

The word "ballistics" is not a synonym for "weapons".

http://en.wikipedia.org/wiki/Mass_driver