Originally posted by: networkman
It should be possible to create an electromagnetic "bubble" if you will, to contain either matter or anti-matter within it. Although how such a bubble could be isolated and then projected along a path toward a target would be considerably more challenging.
Edit: In fact, creating an electromagnetic "bubble' is already done in particle accelerators now.
Nonetheless, on a similar thought line, there is work being done to create electromagnetic "railguns" - a very REAL weapon possibility. Take a look at the following link for a good read:
http://www.powerlabs.org/railgun.htm