Select your institution from the list provided, which will take you to your institution's website to sign in.Click Sign in through your institution.Shibboleth / Open Athens technology is used to provide single sign-on between your institution’s website and Oxford Academic. This authentication occurs automatically, and it is not possible to sign out of an IP authenticated account.Ĭhoose this option to get remote access when outside your institution. Typically, access is provided across an institutional network to a range of IP addresses. If you are a member of an institution with an active account, you may be able to access content in one of the following ways: Get help with access Institutional accessĪccess to content on Oxford Academic is often provided through institutional subscriptions and purchases. Exercises span information entropy (burning information and Maxwell’s demon, reversible computation, card shuffling, Shannon entropy, entropy of DNA and aging, entropy of messy bedrooms, data compression), fundamentals of equilibration (Arnol’d cat map, proofs for and against entropy increase, phase conjugate mirrors), materials science (rubber bands and glasses), and astrophysics and cosmology (life at the end of the Universe, black hole entropy, Dyson spheres, cosmic nucleosynthesis and the arrow of time). Information entropy is used to compress messages and files on the Internet. Entropy measures our ignorance about the world. Osmotic pressure is the entropy of ions in water the residual entropy of glasses measures their atomic disorder. The inevitable increase of entropy was discovered by analyzing a reversible heat engine, and implied the heat death of the Universe. This chapter explores irreversibility, disorder, and ignorance as manifestations of entropy.
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