Some physicists think every time a person observes a double slit experiment a new world comes into existence from the Many Worlds Interpretation of physics.
Holiday lights that are actually twinkling laser double slit experiments thus duplicate a happy festive person. Hundreds of these on a string further the multiplicity of holiday cheer. Holiday blues? Avert your eyes!-- beanangel, Dec 17 2017 One many worlds interpretation of physics reference. I think some of what it says might be absent accuracy though. https://plato.stanf...es/qm-manyworlds/#5 [beanangel, Dec 17 2017] But is it Christmas on every world?-- RayfordSteele, Dec 20 2017 random, halfbakery