I figure it would be a great way to get those elements for my collection that would otherwise be bloody difficult to get hold of, from neptunium upwards, (americium of course, being available much more easily than the rest in tiny quantities). depleted uranium on the other hand would be perfect for that purpose, at least, for small samples of 239Pu and neptunium, via alpha bombardment of beryllium as a neutron emitter, and then subsequent neutron capture and separation of the resulting mixture of nuclides.
And of course, for all sorts of other fun experiments, and practically useful stuff, such as producing X-rays, bremmstrahlung, etc., electron-beam welding, tritium generation, I'd imagine could be useable for pumping a plasma pinch in a spheromak (a kind of spherical tokamak design, surprise surprise, as the name suggests,which is something else I've long wanted to have a crack at some time, as apparently, it may be possible to use harmonics created within the pinch itself to sustain a reaction, rather than solely external pumping, which is the downfall of most fusion setups to date, that they haven't yet been able to self-feed the magnetic bottle that stabilizes it, the plasma hits the side of the reactor vessel and immediately cools, stopping D/T or DD fusion.
Would be neat as hell to try, even if I couldn't (and I don't rate my chances of succeeding all too high) realize selfcontainment.
The question, alasdair, is not what would I do with it, but what WOULDN'T I do with it
And besides, who the heck wouldn't want their own particle accelerator to fuck about with?