C  O  N  T  E  N  T  S
Reflections of a geologist on
HEAT, GRAVITY and TIME
     Introduction
WITH QUARTZ IN THE VEINS ...  -  ... STANDING FIRMLY ON EARTH
     
First Part
WATCHING CLOSELY AND FROM AFAR  -  TO PERCEIVE EITHER CHANCE OR NECESSITY
1.1 - Dealing with hot water  -  Few words about convection
1.2 - Nature's sleights of hand  - Structures known as 'dissipative'
1.3 - Systems endowed with 'ornamental' symmetry  -  The apparently less known 'pervasive' structures
1.4 - Global versus local statistical symmetry  - How a whole system may be more symmetrical than any of its parts
1.5 - 'Self-organization' in an isolated system  -  The scale model of a geological phenomenon
1.6 - A net that cannot wrap our Earth  -  Forbidden symmetries for a finite system
1.7 - It is matter of ... 'points of view'  -  Homogeneity, symmetry, and observation scale
1.8 - How a field organizes a system  -  Playing with 'volume forces' and 'self-organization'
1.9 - Summing up  -  May a pan of convection cells be presented as the stereotype of a dissipative structure?
     
Appendix to the First Part
Why convection cells seem to prefer the hexagonal shape
     
Second Part
PRIVILEGING BOTH DISORDER AND ORDER  -  TO RECONCILE GRAVITY AND HEAT
2.1 - When rough descriptions of physical phenomena are profitable enough  -  Economy of thought has been, is, and will be allowed ro make
pre-dictions on the cheap
2.2 - When some otherwise harmless approximations may be misleading  -  Conversely, extreme carefulness is required to make
retro-diction
2.3 - The Energy Doctrine  -  Thermodynamics
2.4 - The 'superficiality' of Thermodynamics  -  Born to satisfy requirements of beings crawling on the Earth surface
2.5 - Averaging interactions among molecules  -  An unusual definition of pressure
2.6 - Trying to restore to friendship and harmony two somehow irreciliable theories  -  An expedient to conjugate Thermodynamics and Gravitation
2.7 - Archimedes against Newton  -  The interaction between a self-gravitating system and any of its parts
2.8 - A thermal gradient at equilibrium?  -  ... if Curie's symmetry principles are valid without exception!
2.9 - Pefko's little Angel  -  A thermal gradient to justify an unique state of equilibrium
2.10 - Dreaming of past times  -  The 'isotropic' spaces of Aristotle and Newton
2.11 - A thermodynamics 'super-law'  -  Defining
the 'state of maximum disorder' of a self-gravitating system
2.12 - Marie Antoinette and her brioches  -  How to attribute to the Whole Universe faults and merits of our little sweet home
     
Appendix to the Second Part
Micro- and macro-systems
     
Third Part
SELECTING THE RIGHT SIZE OF FISHES TO BE CATCHED  -  WHEN THE ROUTE OF DESTINY  ISN'T TOO STRAIGHT
3.1 - The impossible disorder  -  Thermodynamics and isotropy
3.2 - Being out-of-disorder: precariously, unavoidably, and kaleidoscopically  -  Thermodynamics and anisotropy
3.3 - Three in one  -  Different ways to be out-of-equilibrium in a self-gravitating system
3.4 -
Buscar el levante por el poniente -  Moving towards equilibrium experiencing a transient status
3.5 - Step by step and amidst consecutive steps  -  Equilibrium and non-equilibrium Thermodynamics
3.6 - Up-hill and down-hill processes  -  Spontaneous evolution towards equilibrium ineluctably follows and accompanies forded departure from equilibrium
3.7 - Robotic metabolism  -  A model of models
3.8 - The robotic model hits again  -  Energy balance in deformational processes
3.9 - The plain truth  -  Deformational behaviors of materials
3.10 - Which size of fishes to catch  -  About the difference between Matter and materials
     
Appendix to the Third Part
Irreversibility and tendency to order
     
Fourth Part
RECOGNIZING THE TIME ARROWS  -  BOTH POINTING TO THE FUTURE OR TO THE PAST
4.1 - Has hydrostatic tension the same right to exist as hydrostatic pressure? On the meaning of a change of sign
4.2 - It has been Cartesius fault!  -  What bave birth to the need of saddling time with an arrow
4.3 - Numbers and order  -  Imaginary and real numbers
4.4 - Numbers or 'pseudo-numbers'?  -  Scalar and pseudo-scalar quantities
4.5 - Matter and anti-matter  -  The Feynman's diagrams
4.6 - Time ambiguity  -  Changes of sign and reversal of direction
4.7 - A time 'perpendicular' to every straight line  -  The space-time of Special Relativity
4.8 - Left and right  -  The space inversion
4.9 -
Sed fugit interea, fugit inreparabile tempus -  Two lanes for the same one-way road
4.10 - Almost a paradox  - How to find the space turned inside out like a glove just by changing the sign of time
4.11 - Old wives tales and Chance  -  Casualness or causality?
     
Appendix to the Fourth Part
Les alentours de la verit�
     
Fifth Part
HOW THE STORY COULD END UP  -  AFTER HAVING REFUSED TO KNOW WHAT 'WHO KNOWS' LIKES SHOULD BE KNOWN
6.1 - Section one ...  -  ... the last one



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