Quantum superposition the eigenvector corresponding to the measured eigenvalue. It is natural to ask why ordinary everyday objects and events do not seem to display quantum mechanical features such as superposition. Indeed, this is sometimes regarded as "mysterious", for instance by Richard Feynman. In 1935, Erwin Schrödinger devised a well-known thought experiment, now known as Schrödinger's cat, which highlighted this dissonance between quantum mechanics and classical physics. One modern view is that this mystery is explained by quantum decoherence. A macroscopic system (such as a cat) may evolve over time into a superposition of classically distinct quantum states (such as "alive" and
Dead or Alive 5 Ultimate Dead or Alive 5 Ultimate Dead or Alive 5 Ultimate (abbreviated to "DOA5 Ultimate" or just "DOA5U") is a fighting game in the "Dead or Alive" series, developed by Team Ninja, and released by Tecmo Koei for the PlayStation 3 and Xbox 360 in September 2013. It was followed by an arcade edition later in 2013. It is the first arcade game to be released by Koei Tecmo since "Dead or Alive 2 Millenium" in 2000. "DOA5 Ultimate" is an expanded edition of 2012's "Dead or Alive 5", incorporating some features from the PlayStation Vita's "Dead or Alive 5 Plus"