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Quantum computer makes finding new physics more difficult Physicists often work unusual hours. You will find them running experiments at 4am and 10pm. This is because, so long as the pertinent conditions inside a lab – such as temperature or light level – are fixed, the outcome of an experiment should not depend on location of the lab in space or time. This property of the world to behave according to the same laws of physics everywhere is called Lorentz covariance, after the Dutch Nobel-Prize winner Hendrik Lorentz. All existing evidence suggests that the world is naturally Lorentz covariant. Even a small violation of this property would be shocking. In particular, it would imply the existence of a "preferred frame": by travelling at an appropriate velocity, in just the right part of the universe, an observer would perceive physics to be significantly simpler than it is from all other points of view. Such a violation would break the standard model, our best description of