The fact that real dissipative (entropy producing) processes may be detected
by non-comoving observers (tilted), in systems that appear to be isentropic for
comoving observers, in general relativity, is explained in terms of the
information theory, analogous with the explanation of the Maxwell's demon
paradoxComment: 6 pages Latex.1 figure. Published in the special issue of Entropy:
Selected Papers from 4th International Electronic Conference on Entropy and
Its Application