 The Rift now runs through Roald Dahl Plass, and emits radiation which the TARDIS can harness for use as fuel.However, a member of the Slitheen crime family, Blon Fel-Fotch Pasameer-Day Slitheen, disguised as a woman named Margaret Blaine, becomes the elected Mayor of Cardiff and plans to build a defective nuclear power station on the Rift, which would then cause a nuclear meltdown.The resulting energy shockwave would destroy the planet, but allow Blaine to escape on a tribophysical waveform macro-kinetic extrapolator, described as a "pandimensional surfboard".