Aim it at Mecca and be the heroes of Earth.
A laser powerful enough to tear apart the fabric of space could be built in Britain ... the world's most powerful laser being constructed. ... Capable of producing a beam of light so intense that .... a speck smaller than a tip of a pin, ... it could allow them boil the very fabric of space...Uh ... maybe it's just me, but that doesn't sound like a very good idea.
free tip for you brainiacs:
Baby steps guys. Baby steps. First try doing something useful like turning base metals into Gold. Or even better, make some Gizmo (Tech Term) that would turn all liberals into stone. Or, pillars of salt :-)