More seriously you could argue that the whole reason for the LHC is to turn matter/energy of one form into matter/energy ( stuff ) of another. Though rather th

More seriously you could argue that the whole reason for the LHC is to turn matter/energy of one form into matter/energy ( stuff ) of another. Though rather than lead into gold, it's known stuff into unknown or previously unseen but predicted stuff. So it is, in fact, a giant Alchemy machine. Newton would have been proud.