The make-your-own-universe kit

According to the theory, any kind of measurement causes the universe to split and this is the basis of Keats' new device. His universe creator uses a piece of uranium-doped glass to create a steam of alpha particles, which are then detected using a thin sliver of scintillating crystal. Each detection causes the creation of a new universe.

Given the rate at which Uranium decays, Keats' claims this should allow users to create literally trillions of universes.

(Via BB.)