Entropy 21 Thermodynamics 15 Biophysics 6 Physics 6 Information theory 5 Mathematical models 5 Statistical mechanics 5 Statistical physics 5 Electrochemistry 4 Matter 4 Chemistry, Physical and theoretical 3 Entropy (Information theory) 3 Maximum entropy method 3 Probabilities 3 Biochemistry 2 Chemistry 2 Computational linguistics 2 Consciousness 2 Digital techniques 2 Geochemistry 2 Image processing 2 Information retrieval 2 Mathematics 2 Measure theory-- Analysis-- Mathematics 2 Medical physics 2 Molecular biology 2 Natural language processing (Computer science) 2 Philosophy 2 Physical biochemistry 2 Power resources 2