Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site decwrl.UUCP Path: utzoo!linus!philabs!cmcl2!seismo!harvard!talcott!panda!genrad!decvax!ucbvax!decwrl!dec-rhea!dec-kirk!williams From: williams@kirk.DEC (John Williams 223-3402) Newsgroups: net.physics Subject: 100% Efficiency Message-ID: <3478@decwrl.UUCP> Date: Tue, 6-Aug-85 11:40:39 EDT Article-I.D.: decwrl.3478 Posted: Tue Aug 6 11:40:39 1985 Date-Received: Sat, 10-Aug-85 04:53:08 EDT Sender: daemon@decwrl.UUCP Organization: Digital Equipment Corporation Lines: 9 If a space heater were 100% efficient within a perfect closed environment, then the temperature of the room would rise to infinity (?). The idea behind the second law is that some of the energy is always lost to the environment. That is, the efficiency of the chamber is based not only on the heater, but also the insulator. John.