Jeff Findley wrote:
This isn't something that violates physics, but it's likely that you're
going to need *A LOT* of R&D to make this work reliably. That and you can't
launch much more than really durable cargo with this thing (e.g. food,
water, LOX, LN2, LH3, and etc.).

Nuclear warheads...the thing is pretty similar in concept to the Iraqi
"Big Babylon" cannon, except this one can be traversed to aim at
different targets.

Pat